The fraction of the F1 offspring with wildtype pigmentation would be 100%.
The cross between an ultramel snake that is homozygous at both loci (UUAA) and a lavender albino that is homozygous at both loci (uuaa) would result in the following cross: UUAA x uuaa
In this cross, all of the F1 offspring would be heterozygous at both loci (Uuaa), and would have the following genotype for pigmentation:
U: dominant allele for normal pigmentation
u: recessive allele for albinism
A: dominant allele for normal coloration
a: recessive allele for hypo-pigmentation
Since U is dominant over u, the F1 offspring will have normal pigmentation and will not be albinos. Similarly, since A is dominant over a, the F1 offspring will have normal coloration and will not display hypo-pigmentation. Therefore, all of the F1 offspring will have wildtype pigmentation.
In conclusion, the fraction of the F1 offspring with wildtype pigmentation would be 100%.
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why do you think a skeletal muscle fiber (cell) can have thousands of mitochondria, while a red blood cell has no mitochondria?
Muscle cells have more mitochondria because they need to swiftly release significant amounts of energy to move. Long, thin cells that are stuffed with highly ordered proteins and organelles make up skeletal muscles.
The rate of energy consumption in skeletal muscles can increase by more than 100-fold virtually immediately during intense activity. Muscle cells have mitochondria to accommodate this energy demand. Muscle cells require a disproportionately high amount of mitochondria compared to other cell types because of their comparatively high energy requirements. Due to their high energy needs, skeletal muscle cells have numerous mitochondria that enable them to produce enough ATP.
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a former protein-coding gene that no longer performs any useful function will accumulate how many mutations relative to a gene that encodes a protein that is functionally important?
Answer: More mutations
Explanation:
Protein-coding genes are responsible for encoding proteins that are essential for various biological processes within an organism. Mutations, or changes in the genetic sequence of these genes, can result in altered proteins that may lead to functional changes or impairments.
In some cases, a protein-coding gene may undergo mutations that render it non-functional, meaning it no longer plays a role in the biological processes of an organism. When this happens, the gene may continue to accumulate mutations without any selective pressure to maintain its function.
Therefore, a former protein-coding gene that is no longer functional may accumulate more mutations than a gene that encodes a protein that is functionally important.
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witch two codons represent the amino acid threonine.
UGG only
ACA and ACG
AAA and AAG
AAU and AAC
The two codons ACA and ACG represent the amino acid threonine according to the rules of the genetic code.
What are the universal rules of the genetic code?The universal rules of the genetic code are those based on the incorporation of different amino acids during the translation according to the triplets of nucleotide bases in the resulting mRNA produced in transcription.
Therefore, with this data, we can see that the universal rules of the genetic code indicate the amino acid depending on the triplets of nucleotides or codons in mRNA.
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In the systemic capillaries in muscle tissue, hemoglobin releases virtually all the oxygen it is carrying and becomes completely desaturated.
a. True
b. False
In the systemic capillaries in muscle tissue, hemoglobin releases virtually all the oxygen it is carrying and becomes completely desaturated True
The answer is a. True.
In the systemic capillaries in muscle tissue, hemoglobin releases virtually all the oxygen it is carrying and becomes completely desaturated. This process is essential for the delivery of oxygen to the cells of the muscle tissue, where it is used in cellular respiration.
As blood flows through the systemic capillaries in muscle tissue, the partial pressure of oxygen in the capillaries is higher than in the surrounding tissue. This causes the hemoglobin in the red blood cells to release its oxygen, which diffuses into the tissue. The now oxygen-depleted hemoglobin becomes completely desaturated, meaning it has given up all of its oxygen and has no more to release.
This process continues as blood continues to flow through the capillaries, supplying the cells of the muscle tissue with the oxygen they need for cellular respiration and removing waste products such as carbon dioxide.
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Why is modern species extinction often linked to livestock production (meat consumption)?
O fences and containment borders needed for livestock production
vaccinations and antibiotic usage in livestock production
The consumption of corn by livestock
Demand for water consumption in livestock
All of these causes lead to the extinction of some species as a result of livestock production and meat consumption.
Species extinction is frequently linked to livestock production owing to a variety of variables.
For starters, animal production fences and confinement boundaries can contribute to habitat fragmentation.
Second, vaccines and antibiotic use in cattle production might have unforeseen environmental implications, leading to the extinction of some species.
Third, cattle intake of corn has grown in recent years, resulting in increased soil erosion and a loss in species variety.
Finally, the increased demand for water by cattle has reduced the amount of water accessible to other species, resulting in their decline.
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which fossil fuel is formed in different types that depend on the amount of heat, pressure, and time?
The type of fossil fuel formed that depends on the amount of heat, pressure, and time in which the fossil fuel was produced is coal.
Fossil fuel formation refers to the process that takes place over the time span of hundreds of millions of years to produce a variety of fossil fuels including coal, oil, and natural gas. Although the initial organic product is organic material and is transformed over a large time span due to burial by sediment, pressure, and temperature, different conditions result in the formation of different types of fossil fuels. Even within one type of fossil fuel such as oil , there are a variety of ways that the oil can form and each method results in a different oil deposit, sometimes requiring special techniques to access. Coal is formed and the type of it formed depends on the amount of heat, pressure and time over which it was formed.
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a total of 75 colonies were counted on the plate that received 1 ml of a diluted specimen. after calculating, it is determined that the total bacterial count in the original specimen was 75,000,000 colony forming units (cfus) per ml. what was the dilution factor for the plated sample?
The dilution factor for the plated sample is 1,000,000.
The dilution factor is a measure of the change in concentration of a solution as a result of dilution. Dilution refers to the process of adding a solvent (such as water) to a solution in order to reduce its concentration. The dilution factor is the ratio of the initial concentration of the solution to the final concentration after dilution.
Dilution factor = (original concentration) / (concentration after dilution)
Given that the original concentration was 75,000,000 colony forming units (CFUs) per mL, and the concentration after dilution was 75 CFUs per mL, the dilution factor can be calculated as follows:
Dilution factor = 75,000,000 CFUs / 75 CFUs = 1,000,000
Therefore, the dilution factor for the plated sample was 1,000,000 which means that the original sample was diluted 1,000,000-fold before being plated.
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capillary bulk flow is so efficient that less than 1% of the water filtered into the tissues at the start of a capillary bed is reabsorbed at the end of the capillary bed. true or fasle?
some jellyfish have skeletons that are formed by fluid-filled compartments. This fluid resists compression and thus supports the body structure from deforming.
Yes, some jellyfish have skeletons that are formed by fluid-filled compartments which supports the body.
The umbrella-shaped bell is a real jellyfish's distinguishing characteristic. The mesoglea, a hollow structure made up of a mass of translucent jelly-like material, serves as the animal's hydrostatic skeleton. Water makes up at least 95% of the mesogloea, but it also has other fibrous proteins like collagen and roving amoebocytes that can ingest detritus and germs. On the exterior and inside, respectively, the gastrodermis and epidermis surround the mesogloea. The bell can bend because the edge of the bell is frequently divided into rounded lobes called lappets. Rhopalia, which are simple sensory organs, hang from the spaces or recesses between the lappets, and the bell's perimeter frequently has tentacles. this information is accurate. The soft, gelatinous bodies of jellyfish, which are primarily composed of water, are well recognised. The mesoglea, a thick layer of jelly-like substance that offers structural support and resistance to compression, is a form of skeleton seen in some jellyfish species. The jellyfish's interior organs are shielded by and kept in form by this fluid-filled mesoglea. As the jellyfish contracts its mesoglea to move through the water, it also plays a role in propulsion. Overall, the mesoglea is essential to the existence and operation of jellyfish.
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the fungus penicillium produces a compound that blocks peptidoglycan assembly. why is a fungus trying to kill bacteria?
The production of a compound that blocks peptidoglycan assembly by the fungus Penicillium is actually a natural defense mechanism to protect itself from bacterial competition.
Peptidoglycan is a major component of the bacterial cell wall, and its assembly is essential for the growth and survival of bacteria. By blocking peptidoglycan assembly, Penicillium is able to inhibit the growth of bacteria and reduce competition for resources in the environment.
In addition, some species of Penicillium produce antibiotics, such as penicillin, which target bacterial cell walls and further limit the growth of competing bacteria. This allows Penicillium to thrive in environments where bacteria are abundant, and provides it with a competitive advantage.
Overall, the production of compounds that block peptidoglycan assembly by fungi such as Penicillium is a way for these organisms to protect themselves from bacterial competition and maintain their survival in their environment.
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Why are amphibian populations declining?
Which of these determines whether a fertilized egg develops into a toad, a snake, or a lizard?Athe sex of the eggB.the age of the eggСthe size of the eggDthe genes of the ogg
Option d) The genes of the ogg determines whether a fertilized egg develops into a toad, a snake, or a lizard.
The act of creating a new cell from an egg by a single sperm slowly penetrating its layers is known as fertilisation ("zygote"). It normally takes up to 24 hours for this to happen in the fallopian tubes. An egg can only be fertilised for a brief period of time.
The fertilised egg spends around 3 to 4 days in the fallopian tube. Yet after fertilisation, it begins rapidly dividing into many cells within 24 hours. It continues to divide as it slowly passes through the fallopian tube and enters the uterus. Its next job is to attach to the lining of uterus.
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Full Question: Which of these determines whether a fertilized egg develops into a toad, a snake, or a lizard?
A the sex of the egg
B. the age of the egg
С the size of the egg
D the genes of the ogg
which of the following is not a macromolecule?group of answer choices waterproteins nucleic acids carbohydrates
Water is not a macromolecule.
A protein or nucleic acid is an example of a macromolecule, which is a very large molecule that plays a vital role in biophysical processes. It is made up of thousands of atoms that are bound together by covalent forces.
Numerous macromolecules can be broken down into their component monomers and reassembled into polymers. Biopolymers, which include nucleic acids, proteins, and carbohydrates, as well as big molecules that are not polymeric, such as lipids, nanogels, and macrocycles, are the most prevalent types of macromolecules found in biochemistry. Synthetic fibers as well as experimental materials such as carbon nanotubes.
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Now go to the Cerebral Cortex dropdown menu, then go down to Occipital Lobe.
According to the text shown, the occipital lobe sends its conclusions to
A.the medulla and cerebellum
B.optic chiasm
C.the parietal and temporal lobes
D.the frontal lobe
E.the thalamus and cerebellum
The occipital lobe sends its conclusions to: the thalamus and cerebellum. Option E is the correct answer.
What is occipital lobe?
This refer to the visual processing center of the mammalian brain containing most of the anatomical region of the visual cortex. The primary visual cortex is Brodmann area 17, commonly called V1 (visual one).
The Occipital Lobe the smallest and rear-most of the lobes, is the visual processing hub of your brain. This area processes visual signals and works cooperatively with many other brain areas. It plays a very important role in language and reading, storing memories, recognizing familiar places and faces, etc.
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1. Which statement presents an advantage of using electronic ballots?
a. Results can be quickly and accurately counted and shared.
b. Voters can quickly and accurately learn to use the system.
c. Hackers cannot access the system to change the results.
d. Ballots are immune to electronic bugs and errors.
2. Which of these describes digital transmissions and not analog transmissions?
a. continuous
b. 1s and 0s
c. smooth
d. sine waves
Voters can quickly and accurately learn to use the system. The one that describes digital transmissions and not analog transmissions is 1s and 0s. The correct options are b and b respectively.
What is data transmission?The movement of data from one digital device to another is known as data transmission. Through point-to-point data streams or channels, this transmission is carried out.
Signals containing information often come in the form of analogue and digital signals.
The primary distinction between the two signals is that analogue signals have continuously varying electrical signals, but digital signals do not.
Because digital transmission signals in bits, a digital signal transmits data in binary form.
These signals can be broken down into harmonic sine waves, sometimes known as sine waves. Like an analogue signal, every digital signal contains amplitude, frequency, and phase.
Thus, the correct options are b and b respectively.
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A man is better than a woman in 450 words essay writing
Goodday mr.chairman panels of judges accurate time keeper and my fellow listeners.
my name is kuku Zainab am here to oppose the motion which says a man is better than a woman.
A woman is an adult of female,a woman is the one that take care of a family. a woman is a person that did house chores these are washing the dishes, washing the cloth, mopping, washing the toilet, cooking and sweeping the floor which are not easy to do those House work.why A man is the one that provides for the family , only they no to do is to be pressing phone when woman are doing there house chores.
sunlight contains all the colors of the visible spectrum (red, orange, yellow, etc..) and pigments absorb certain colors of light in order to power photosynthesis. briefly explain what color of ight you think is least useful to a plant for use during photosynthesis
The color of light that least useful to a plant for use during photosynthesis is green. Because plant leaves are green, the wavelength of green light is probably the least useful. This would imply that green light used for photosynthesis is reflected rather than absorbed.
Despite being the visible spectrum's least effective wavelength for photosynthesis, green light is still helpful and affects plant architecture. One might occasionally hear that plants reflect green light rather than using it for photosynthesis. But this is only partially accurate. Because green light can reach deeper into leaves than red or blue light, it will have a greater impact on the photosynthesis of leaves when it is absorbed by the lower chloroplasts in strong white light.
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what enzyme does a gamete producing cell unclude that cpompensates for replication associated shortnening
Telomerase enzyme is a gamete producing cell include that compensates for replication associated shortening.
Telomerase is the enzyme in charge of guanine-rich repeating sequences being added in order to maintain the length of telomeres. In gametes, stem cells, and tumor cells, telomerase activity is present. Senescence occurs roughly 50–70 cell divisions after senescence, and the potential for proliferation in human somatic cells is severely constrained. On the other hand, the potential for reproduction is generally infinite in tumour cells. The essential function of the mechanism for maintaining telomere length with the participation of telomerase in this process is still not well understood. Without a doubt, DNA polymerase is unable to fully replicate DNA at the very ends of chromosomes; as a result, about 50 nucleotides are lost throughout each cell cycle, leading to a steady shortening of the telomere length. Senescence, the crisis that follows, and cell death are all brought on by critically short telomeres. The machinery for maintaining telomere length is however triggered in tumour cells. Along with catalytic telomere elongation, independent telomerase actions may also be important for controlling the cell cycle. Limiting the capacity for tumour cell replication will be made possible by inhibiting telomerase's catalytic activity and, as a result, ceasing telomere length maintenance. On the other hand, telomerase activation and telomere elongation can be employed to reverse degenerative alterations by causing the development of a momentarily active enzyme by its intracellular activation or as a result of stimulating the production of telomerase components.
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which order consists of holometabolous insects? group of answer choices hemiptera thysanoptera collembola coleoptera
Coleoptera (beetles) is the order of holometabolous insects. Holometabolism is the type of insect development that includes a complete metamorphosis, with distinct stages of egg, larva, pupa, and adult.
Holometabolous insects undergo profound transformations in form and function during their life cycle. Beetles belong to the order Coleoptera, which is the largest order of insects, with over 400,000 species described. They are found in nearly every habitat and are characterized by their distinctive forewings, which are modified into hard, protective wing covers (elytra) that meet in a straight line down the back.
Beetles undergo complete metamorphosis, with the larvae hatching from eggs and undergoing several molts before pupating and emerging as adults. The diversity of beetle adaptations, including their mouthparts, legs, and antennae, is a testament to their evolutionary success and ecological importance.
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4. Which of the following is one way that a mutagen can cause mutations?
A. It causes the DNA strand to weaken because mutagens stop the cell cycle
B. It causes base pairing to happen faster
C. It causes the sugar-phosphate backbone of the DNA to weaken which can lead to inversions and translocation
D. It interferes with base pairing which decreases the error rate during DNA replication
Answer:
D. It interferes with base pairing which decreases the error rate during DNA replication
Explanation:
A mutagen is a substance or agent that can cause mutations in an organism's DNA. Mutations are changes in the genetic material of an organism and can occur spontaneously, but mutagens can increase the frequency of mutations.
One way that a mutagen can cause mutations is by interfering with the base pairing of the DNA molecule. During DNA replication, the two strands of the DNA molecule separate, and new complementary strands are synthesized based on the original strands. The base pairing between the complementary nitrogenous bases (adenine and thymine, or cytosine and guanine) helps ensure the accuracy of the replication process.
If a mutagen interferes with the base pairing, it can cause errors to occur during replication. These errors can lead to mutations, as the new DNA strand will not match the original strand as it should. This can result in changes in the genetic information of the organism, potentially leading to a variety of effects, including the development of genetic disorders or the expression of different traits.
what is the sequence of these genes on chromosome iii? view available hint(s)for part b what is the sequence of these genes on chromosome iii? pink--dichaete--ebony (dichaete in the middle) dichaete--ebony--pink (ebony in the middle) dichaete--pink--ebony (pink in the middle)
Correct sequence of genes on chromosome is a)pink--dichaete--ebony (dichaete in the middle).So, correct option is a.
The genes and chromosomes will generally do a comparably significant job of holding information but the differentiation between the gene and chromosome can be laid out. The chromosome contains different genes and these genes are answerable for holding the information which is utilized for building explicit proteins. The proteins are the main class of parts or materials inside the body.
The proteins are not simply fabricating the impedes for the connective tissues, muscles, skin in addition to different designs. They are additionally expected to make the mixtures.The compounds are confounded proteins that control or manage and finish the substance interaction as well as reactions inside the body. The body makes countless various synthetic compounds. The protein blend will in general be compelled by the genes which are contained in chromosomes. The chromosomes fundamentally comprise of DNA and protein.
Hence, correct option is a.
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(Complete question) is:
what is the sequence of these genes on chromosome iii? a)pink--dichaete--ebony (dichaete in the middle) b)dichaete--ebony--pink (ebony in the middle) c)dichaete--pink--ebony (pink in the middle)d)all of these
How many mongo seed are equal to 3. 50 moles of mongo seeds?
50 moles of many mango seeds = 2.107.10²⁴ mango
One mole is equal to the number of particles (atoms, molecules, and ions) that are contained in a substance that is equal to the number of atoms that are included in one gram of carbon-12. A mole is a unit of many particles.
While you can alternatively calculate the number of moles by dividing the mass (in grams) by the molar mass of the element or molecule in question, this method is not as accurate.
With Avogadro's number
N = number of gas particles
No = Avogadro number (6.02.10²³)
n = number of moles
n= N/No
The weight of 3.50 moles of numerous mango seeds is equivalent to
N mango seeds= 3.5 x 6.02.10²³
N mango seeds=2.107 x 10²⁴
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Explain how temperature and the amount of precipitation can affect the type of plants and animals found in the coniferous biome.
Answer:The coniferous biome, also known as the boreal forest or taiga, typically experiences long, cold winters and short, mild summers. The amount of precipitation in this biome varies, but it is usually in the form of snow.
Explanation:A low temperature can limit the types of plants that can survive in the coniferous biome. Only plants that are adapted to cold and drought stress, such as conifers, can thrive in this environment. Conifers have needle-like leaves that conserve water and reduce heat loss, allowing them to survive in cold and dry conditions.
A high amount of precipitation can also affect the type of plants and animals found in the coniferous biome. Areas with higher rainfall support a greater diversity of plant and animal life, including deciduous trees, shrubs, and mosses. Animals such as moose, caribou, and beavers also thrive in these environments, as they have access to abundant food sources and shelter.
In contrast, areas with lower precipitation may have fewer plant and animal species. These areas may support only stunted or patchy forests of conifers, with limited undergrowth and little animal life.
Sort the statements into the appropriate bin depending on whether they correctly or incorrectly describe some aspect of the electron transport chain and chemiosmosis.
a. Electrons moving from the FMN to Q to cytochrome b are gaining energy.
b. ATP serves as an electron carrier in the electron transport chain.
c. A toxin that causes a leak to form in the inner mitochondrial membrane such that protons could bypass the ATP synthase would disrupt the flow of electrons to O2.
d. The electrons carried by FADH2 have more potential energy than those carried by NADH.
e. A chemical that inactivates cytochrome c so that it can't pass electrons on to cytochrom a would block electron transport and ATP synthesis.
f. The pH of the intermembrane space in the mitochondria would be lower than the pH of the mitochondrial matrix in an actively metabolizing cell.
g. A toxin that causes a leak to form in the inner mitochondrial membrane such that protons could bypass the ATP synthase would prevent oxidative phosphorylation.
Correct: Option a,c,d,e,f are correct.
a. Electrons moving from FMN to Q to cytochrome b are gaining energy.
c. A toxin that causes a leak to form in the inner mitochondrial membrane such that protons could bypass the ATP synthase would disturb the flow of electrons to O2.
What is the role of ATP?ATP (Adenosine Triphosphate) is a molecule that serves as the main energy currency of cells. It stores and transports energy derived from cellular metabolic processes, such as the breakdown of glucose, to be used for various cellular activities, such as muscle contraction, active transport, and biosynthetic reactions.
d. The electrons carried by FADH2 have more potential energy than those carried by NADH.
e. A chemical that inactivates cytochrome c so that it can't pass electrons on to cytochrome a and would block electron transport and ATP synthesis.
f. The pH of the intermembrane space in the mitochondria would be lower as compared to the pH of the mitochondrial matrix in an actively metabolizing cell.
Incorrect:
b. ATP is an electron carrier in the electron transport chain.
g. A toxin that causes leakage to form the inner mitochondrial membrane such that protons could bypass the ATP synthase would prevent oxidative phosphorylation.
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Electrons moving from FMN to Q to cytochrome b are gaining energy, but a toxin caused a leak in the inner mitochondrial membrane would disrupt the flow of electrons to O2.
What is the role of ATP?ATP (Adenosine Triphosphate) is a molecule that serves as the main energy currency of cells. It stores and transports energy derived from cellular metabolic processes, such as the breakdown of glucose, to be used for various cellular activities, such as muscle contraction, active transport, and biosynthetic reactions.
d. The electrons carried by FADH2 have more potential energy than those carried by NADH.
e. A chemical that inactivates cytochrome c so that it can't pass electrons on to cytochrome a and would block electron transport and ATP synthesis.
f. The pH of the intermembrane space in the mitochondria would be lower as compared to the pH of the mitochondrial matrix in an actively metabolizing cell.
Incorrect:
b. ATP is an electron carrier in the electron transport chain.
g. A toxin that causes leakage to form the inner mitochondrial membrane such that protons could bypass the ATP synthase would prevent oxidative phosphorylation.
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Notice that most of the image is the same color, meaning most of the CMB radiation is the same temperature. How does this observation provide evidence to support the Big Bang theory?
The CMB provides evidence for big bang theory, how the universe expanded into different group of particles with varying energy levels.
What is the Big Bang theory?The Big Bang theory is a scientific theory about how the whole universe started, and how it is made into the groups of stars called as galaxies which we see today. The universe began as very hot, small, and dense space, with no stars, atoms, form, or structure.
The detection of the Cosmic Microwave Background (CMB), for the radiation which are left over from the birth of the universe, that provided the strongest possible evidence which the universe expanded from an initial violent explosion, known as the big bang.
The spots on the map corresponds to the photon energies which are at the time of the last scattering of photons by electrons in the space. The areas of higher energy levels are blue, while the areas of low energy levels are red.
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sketch a diploid cell with two chromosomes in prophase 1
The prophase I stage of the meiosis is basically the step in which the crossing over takes place.
Meiosis is basically a reductional cell division which plays a very crucial role in enabling the equal division of the DNA material amongst the daughter cells, especially the germ cells during sexual reproduction. Meiosis has a number of different stages which are, prophase, metaphase, anaphase as well as the telophase.
DNA replication takes place before the beginning of the meiosis I of cell cycle. During prophase I of meiosis, the homologous chromosomes pair up to form synapses and these paired chromosomes are known as bivalents. The crossing over takes place during the prophase I and basically involves the exchange of genetic material which takes place between the homologous chromosomes and is important as it allows variation in organisms.
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What are land plants called?
Land plants are called Embrophytes. Plants are classified into two groups on the basis of vascular tissue.
Land plants, or embryophytes, are grouped by the presence or nonappearance of vascular tissue and how they recreate (regardless of seeds).
Non-vascular plants, or bryophytes, showed up from the get-go in plant advancement and recreate without seeds; they incorporate greeneries, liverworts, and hornworts.Vascular plants are partitioned into two classes: seedless plants, which presumably advanced first (counting lycophytes and pterophytes), and seed plants.Seed-delivering plants incorporate gymnosperms, which produce "exposed" seeds, and angiosperms, which recreate by blossoming.The green growth, known as the charophytes, and land plants are gathered into a subphylum called the Streptophytina and are, subsequently, called Streptophytes. Land plants, which are called embryophytes, are arranged into two significant gatherings as indicated by the nonappearance or presence of vascular tissue. Plants that need vascular tissue, which is framed of particular cells for the vehicle of water and supplements, are alluded to as non-vascular plants or bryophytes. Non-vascular embryophytes presumably showed up right off the bat in land plant advancement and are seedless. These plants incorporate liverworts, greeneries, and hornworts.
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An investigation is carried out to determine the effect of exercise on the rate at which a
person can squeeze a clothespin
1. Muscle fatigue occurs during this activity when
A) carbon dioxide is used up in the muscle cells
B) certain waste products collect in the muscle cells
C) simple sugar is converted to starch in the muscle cells
D) proteins accumulate in mitochondria in the muscle cells
An investigation is carried out to determine the effect of exercise on the rate at which a person can squeeze a clothespin.
Muscle fatigue occurs during this activity when certain waste products collect in the muscle cells.
What is muscle?
Soft tissues include muscles. Your muscles are made up of numerous elastic fibres. Your body contains more than 600 muscles. The functions of various muscle groups vary. Some muscles enable you to move quickly—like running or jumping—or deftly—like threading a needle. You can breathe or digest food with the help of other muscles.
Contractile tissue in muscles is organised into coordinated systems. Human muscular systems are categorised based on their outward appearance and cell placement. The three muscle kinds are smooth, cardiac, and striated. Striated muscle makes up the majority of the body's muscle tissue and is virtually always connected to the bone.
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the calvin cycle requires all of the following except? oxygen. water carbon dioxide. NADPH
According to the given information The Calvin cycle requires all of the oxygen.
Where does Calvin cycle occur?The Calvin cycle is present in all photosynthetic humans as well as several photosynthetic bacteria. In plants, the stroma is the fluid-filled region of a chloroplast that is not shielded by the thylakoids, where these activities take place. RuBP is a simple five-carbon molecule that gets its carbon from the surrounding environment through the Calvin cycle.
What phase is the Calvin cycle?The Calvin cycle contains three stages. The enzyme RuBisCO adds carbon dioxide to an organic molecule in stage 1 of the procedure. At step two, the biological molecule gets smaller. At stage 3, the RuBP initiating molecule is replenished, allowing the cycle to continue.
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you have a total of 8.0 x 109 bacterial cells that you harvested by centrifuging a culture. what volume should you resuspend them to with culture medium if you want a cell density of 2.0 x 107 cell/ml?
Resuspend the [tex]8.0 * 10^9[/tex] bacterial cells to a final volume of 40.0 ml of culture medium to achieve a cell density of [tex]2.0 * 10^7[/tex] cell/ml.
The desired cell density is [tex]2.0 * 10^7[/tex] cell/ml, and you have a total of[tex]8.0 * 10^9[/tex]bacterial cells. So, to determine the volume to which you should resuspend the cells, you can use the following calculation:
Volume = Total number of cells / Desired cell density
Volume =[tex]8.0 * 10^9 cells / 2.0 * 10^7[/tex] cells/ml
Volume = 40.0 ml
Therefore, you should resuspend the 8.0 x 109 bacterial cells to a final volume of 40.0 ml of culture medium to achieve a cell density of [tex]2.0 *10^7[/tex] cell/ml.
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