If your genotype is Bb what type of trait would you express as phenotype?
A. Dominant
B. Recessive
C. Both dominant and recessive.
what type of interaction is found between gots when they struggle for grass?
Answer:
The
Explanation:
Mon......,.........
Answer:
i don't know yet cox I didn't learn anything yet
which label would be the best choice for the arrow in this model?
Meiosis would be the best label for the arrow in this model. Meiosis is a type of cell division that occurs in sexually reproducing organisms and reduces the number of chromosomes in gametes.
What function does meiosis serve?Meiosis, a kind of cell division, creates four gamete cells while halving the number of chromosomes in the parent cell. To develop cells made up of eggs and sperm for human reproduction, this procedure is necessary.
What is the meiosis process in more detail?During meiosis, there are two rounds of cell division, which results in the production of four gametes from a beginning cell (eggs or sperm). A cell passes through prophase, metaphase, anaphase, and telophase every time it divides.
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which of these would you add to a membrane to make it easier for membrane proteins to move about?
One possible molecule that can be added to a membrane to make it easier for membrane proteins to move about is cholesterol. Cholesterol helps to maintain the fluidity of the membrane by preventing the fatty acid tails of the phospholipids from packing too tightly together. This allows membrane proteins to move laterally within the membrane, facilitating their interactions with other molecules and their proper functioning. Other molecules, such as glycolipids and glycoproteins, can also affect the fluidity and movement of membrane proteins, but cholesterol is a major contributor to these properties.
What is the purpose of ground
tissue?
A. to help the plant reproduce by attracting
pollinators
B. to transport water and nutrients
throughout the plant
C. to make and store food that supports the
plant
D. to protect the plant from water loss and
damage
Answer: Ground tissue makes up much of the interior of a plant and carries out basic metabolic functions. Ground tissue in stems provides support and may store food or water. Ground tissues in roots may also store food.
Explanation: Ground Tissue The ground tissue of the vascular plant is responsible for storing the carbohydrates produced by the plant. Ground tissue comprises the majority of a young plant and lies between the vascular and dermal tissues. The major cells of the ground tissue are parenchyma cells, which function in photosynthesis and nutrient storage.
Answer: to make and store food that supports the
plant
Explanation: Ground tissue makes up much of the interior of a plant and carries out basic metabolic functions.
if the trp operon from e. coli was cloned between a ubiquitous eukaryotic promoter and a strong eukaryotic transcriptional termination sequence, how would this operon function in a eukaryotic cell?
If trp operon from E.Coli is cloned between a ubiquitous eukaryotic promoter and a strong eukaryotic transcriptional termination sequence then it will get transcribed but the structural genes will not get translated.
Bacteria such as the Escherichia coli need amino acids in order to survive they also need to build proteins. One of the amino acids which they require is tryptophan. If tryptophan happens to be present in the environment, E. coli is able to take it up and use it and it can also make its own tryptophan by using enzymes that are encoded by five genes which are present in the trp operon.
When the trp operon is cloned between a ubiquitous eukaryotic promoter and a strong eukaryotic transcriptional termination sequence then we will observe that the entire trp operon will get transcribed but none of the structural genes of this trp operon will be able to get translated regardless of the level of tryptophan in the cell.
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what gene or chromosome is affected by cystic fibrosis
Cystic fibrosis is brought on by mutations in the CFTR gene. Chloride ions, which are negatively charged particles, are transported into and out of cells by a channel that is made by the CFTR gene.
Chloride is a part of sodium chloride, a common salt found in sweat. An inherited condition known as cystic fibrosis causes the body to produce excessive amounts of thick, sticky mucus, which can cause harm to numerous organs.
The disorder's most typical signs and symptoms include deteriorating respiratory system damage and ongoing digestive system issues. Individuals who are affected differ in terms of the disorder's characteristics and severity.
The childhood illness cystic fibrosis was once thought to be fatal. Many people with cystic fibrosis now live well into adulthood thanks to advancements in medical care and disease management. Adults with cystic fibrosis have issues with their digestive, reproductive, and respiratory systems.
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PLEASEEE HELP MY LAST QUESTION Which of the following is another name
for the Golgi?
A. Golgi Apparatus
B. Golgi Mechanism
C. Golgi Puzzle
What is a compound with an amino group on one end and a carboxyl group on the other end?
Answer:Polypeptide Chains
Explanation:
which of these is not a function of the skeletal system?
Answer:
The production of body heat is not a function of the skeletal system.
Explanation:
Hopefully this is the answer you are looking for.
which molecule and its description are incorrectly matched? group of answer choices makes up connective tissue - collagen stores energy for slow-twitch muscle cells found in red (dark) meat - fats stores oxygen in muscle cell - myosin protein that helps power muscle contraction - actin
Option 1 is Correct. The description of the molecule and how it stores energy for slow-twitch muscles in connective tissue is wrong.
Because slow twitch muscles have a large concentration of mitochondria, they are aerobic muscles, which means they utilise oxygen to produce energy in the form of ATP. As long as you have enough oxygen, they can keep you going.
Your muscles are mostly composed of a combination of slow- and fast-twitch muscle fibers. However, the soleus muscle in your lower leg and the muscles in your back that are responsible for maintaining your posture primarily consist of slow-twitch muscle fibers. Additionally, quick twitch muscle fibers make up the muscles that move your eyes. Muscles are fueled by oxygen in the mitochondria, which are found in slow-twitch muscle fibers.
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Correct Question:
which molecule and its description are incorrectly matched? group of answer choices
1. makes up connective tissue collagen stores energy for slow-twitch
2. muscle cells found in red (dark) meat
3. fats stores oxygen in muscle cell -
4. myosin protein that helps power muscle contraction - actin
basophils increase in number when parasitic invasion occurs. T/F
Basophils increase in number when parasitic invasion occurs - True.
Basophils are a type of white blood cells that play an important role in the immune system. They are responsible for the release of histamine and other mediators of inflammation that play a crucial role in allergic reactions and defense against parasites. When there is an invasion of parasites in the body, basophils are one of the first immune cells to be activated.
During a parasitic invasion, basophils migrate to the site of the infection and release their granules, which contain histamine and other substances that help to destroy the invading parasites. Basophils also stimulate other immune cells, such as eosinophils, to attack the parasites. This coordinated response by the immune system is important in eliminating the parasitic infection.
As a result of their activation during a parasitic invasion, the number of basophils in the bloodstream typically increases. This increase in basophils is known as basophilia. Basophilia can also occur in other conditions, such as allergies or certain blood disorders, but when it is associated with a parasitic infection, it is a sign that the immune system is working to fight off the invaders.
In summary, basophils play a critical role in the immune response to parasitic infections. An increase in basophil count is a sign of their activation in response to the invasion. Therefore, the statement "Basophils increase in number when parasitic invasion occurs" is true.
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if we cross an ultramel snake that is homozygous at both loci to a lavender albino that is homozygous at both loci, what fraction of the f1 offspring will have wildtype pigmentation?
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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what group of eukaryotes includes many different unrelated species that are united solely because they are not fungi, plants, or animals?
The group of eukaryotes that includes many different unrelated species that are united solely because they are not fungi, plants, or animals is referred to as Protists.
Unclassified as fungi, plants, or animals, protists are a varied group of single-celled or multicellular eukaryotes. They can have a variety of morphologies and lifestyles, including as photosynthetic, heterotrophic, or mixotrophic ones. Protists are essential components of many ecosystems, acting as primary producers, decomposers, and nourishment for other living things.
Protist can also be autotrophic or heterotrophic, being single celled eukaryotes they are link between unicellular prokaryotes and multicellular eukaryotes.
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peptidoglycan is an important component of the cell walls of which microbes?
Answer: Peptidoglycan is an essential component of cell wall in Gram-positive bacteria with unknown architecture.
Explanation:
Answer:
most bacteria
Explanation:
Which of these choices is not one of the characteristics that supports the hypothesis that land plants evolved from green algae?
a. Green algae and land plants both live in freshwater habitats.
b. Green algae and land plant chloroplasts contain the photosynthetic pigments chlorophyll a and b and the accessory pigment β-carotene.
c. The cell walls, sperm, and peroxisomes of green algae and land plants are similar in structure and composition.
d. The chloroplasts of green algae and land plants synthesize starch as a storage product.
Answer:
A
Explanation:
Please mark me Brainliest!
The choice that does not support the hypothesis is (a) "Green algae and land plants both live in freshwater habitats." While it is true that many green algae and land plants live in freshwater habitats, this characteristic alone does not provide evidence that they are closely related.
The origin of land plants has been a topic of scientific interest for many years. One hypothesis suggests that they evolved from green algae. To support this hypothesis, several characteristics have been identified that are shared between green algae and land plants. Three of the choices provided support this hypothesis, but one does not. In this explanation, we will examine these characteristics and identify the choice that does not support the hypothesis.
One characteristic that supports the hypothesis that land plants evolved from green algae is that both organisms contain the same photosynthetic pigments. Chlorophyll a and b are the primary pigments responsible for photosynthesis, and both green algae and land plants have them. Additionally, both contain the accessory pigment beta-carotene, which helps to capture light energy and transfer it to chlorophyll.
Another characteristic that supports the hypothesis is the similarity in structure and composition of their cell walls, sperm, and peroxisomes. Both green algae and land plants have cell walls made of cellulose and hemicellulose, and their sperm cells are similar in structure and function. Both also contain peroxisomes, organelles that play a role in lipid metabolism and oxidative stress.
A third characteristic that supports the hypothesis is the fact that both green algae and land plants synthesize starch as a storage product in their chloroplasts. This is an important feature because it allows both organisms to store energy for later use.
In conclusion, the characteristics that support the hypothesis that land plants evolved from green algae include the presence of the same photosynthetic pigments, the similarity in structure and composition of their cell walls, sperm, and peroxisomes, and the synthesis of starch as a storage product in their chloroplasts. The fact that they both live in freshwater habitats, however, does not provide evidence of their relationship.
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Please help for brainliest
The photo shows frog eggs at the edge of a pond.
Which two factors might keep some of the eggs from becoming adult frogs
that produce their own eggs?
Lack of sunlight and lack of water might keep some of the eggs from becoming adult frogs that produce their own eggs.
What are the characteristics of adult frogs?Adult frogs are characterized by long hind legs, a short body, webbed finger-like parts, and the lack of a tail. They also have a three-chambered heart, as do all tetrapods except birds and mammals.
As the frog develops into an adult, it will begin to eat insects rather than vegetation. It can take up to four years before the frog becomes fully mature. Once it is, the frog can then lay eggs or fertilize them, and the life cycle of a frog can start all over again!
First, they grow back legs, then front legs too! Soon after, their body starts to change shape, and they're able to start eating insects. Next, the tadpoles' tails shrink away, and skin grows over their gills, as they develop lungs and eardrums.
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7. The Columbia Icefield is located between Banff and Jasper in Alberta. It covers an area of more than 300 km2 and has ice that is up to 365 m thick in some places. How can studying this icefield give scientists information on climate patterns?
Scientists can ascertain the previous makeup and behaviour of the atmosphere by drilling into an ice sheet or glacier and recovering old ice.
What are climate patterns?Any recurrent aspect of the climate is referred to as a climate pattern. The glacial and interglacial eras within the ice ages are examples of climate patterns that can continue for tens of thousands of years, while monsoons are an example of a pattern that occurs every year.
By drilling into an ice sheet or glacier and recovering old ice, scientists can learn more about the previous composition and behaviour of the atmosphere.
They can also learn more about the climate at the time the snow fell and how the size of ice sheets and glaciers has changed over time in response to various climates.
Thus, this way, studying this icefield give scientists information on climate patterns.
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which transport mechanism can bring whole cells into a cell?
Answer:
endocytosis
Explanation:
endocytosis is a type of active transport that moves particles, such as large molecules, parts of cells, and even whole cells, into a cell.
Which statement about nerve cells and skin cells is true?
Responses
They contain different numbers of chromosomes.
They contain the same DNA with different genes expressed.
They contain the same active and expressed genes.
They contain different genes on their DNA
Skin cells and nerve cells contain the same DNA with different genes expressed. Therefore, option B is correct.
What is gene expression?A finely controlled process called gene expression enables a cell to react to its changing surroundings. It serves as both a volume control that raises or lowers the level of proteins produced as well as an on/off switch to regulate when proteins are created. It is primarily controlled at a transcription level.
The varying expression of genes in human cells is an illustration of gene expression. Although all human cells have the same DNA and the same number of chromosomes, their architectures and functions are highly varied.
Skin cells and nerve cells contain the same DNA with different genes expressed. Therefore, option B is correct.
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what happens if the groundhog doesn t see his shadow
what happened if your 2nd 3rd and 4th quadrants contained the same amount of bacteria as your 1st quadrant
The number of organisms falls when the initial sample is diluted by streaking it across subsequent quadrants.
By the third or fourth quadrant, just a few organisms had been transmitted on the inoculating loop, producing a few solitary colonies.
The Quadrant Method for Isolating Bacterial Colonies on a Streak Plate. By using simple mechanical separation, the streak-plate approach is intended to separate pure cultures of bacteria, or colonies, from mixed populations.
The bacteria are combined with melted agar in the pour plate method until they are equally disseminated and divided throughout the liquid. After that, the melted agar is poured into an empty plate and allowed to harden. Following incubation, distinct bacterial colonies may be detected growing both on and in the agar.
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true or false? the rate of sugar transport in a plant depends on the rate of photosynthesis, the rate of transpiration, and the difference in turgor pressure between the source and the sink.
Answer:
True
Explanation:
because you need to improve the habit of seeing book
Molting occurs during the gradual metamorphosis of an insect whenever
A. the nymph needs food.
B. an egg hatches.
C. its full-sized wings harden.
D. the nymph outgrows its exoskeleton.
Molting occurs during the gradual metamorphosis of an insect whenever the nymph outgrows its exoskeleton.
What happens prior to molting?
The initial stage of molting is called apolysis, during which the old cuticle separates from the epidermis and particular epidermal cells and dermal glands secrete a molting fluid. During the molting process, the molting fluid fills the area between the old and new cuticles.
The process of molting involves the exoskeleton (cuticle) of the preceding life stage being shed. An insect cannot develop if it does not molt. An insect engages in species-specific stereotyped patterns of movement (molting behaviors) once a new cuticle has fully developed in order to be released from the cuticle of the preceding stage.
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nucleic acids are a. macromolecules. b. composed of nucleotides c. distinguished from each other in part by the composition of the sugar they contain d. macromolecules and composed of nucleotides e. all of the choices are correct
Answer:
E
Explanation:
both are macromolecules and composed of nucleotides also RNA contains the sugar ribose, while DNA contains the slightly different sugar deoxyribose
the cftr receptor moves chloride ions out of a cell by active transport. this is an example of a. an oxidation reaction. b. a reaction requiring the input of atp. c. equilibrium. d. a reaction coupled with the production of atp. e. a reduction reaction.
CFTR receptor moves chloride ions out of a cell by active transport is an example of a reaction requiring the input of ATP.
In general , the CFTR protein is a specific protein called an ion channel. These ion channel also moves an atoms or molecules that provide an electrical signal that comes from inside the cell to outside, or vice versa. Inside the lungs , the CFTR ion channel helps to move chloride ions from inside the cell to outside the cell.
Hence, cystic fibrosis transmembrane conductance regulator (CFTR) are the specific channel/enzyme which helps in the passive diffusion of chloride and bicarbonate mediated by epithelial cell membranes.
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What is the structure of plasma membrane cytoskeleton?
Plasma membrane cytoskeleton is composed of a Lipid Bilayer with Proteins embedded in it.
The Plasma membrane of a cell is made out of a Lipid Bilayer with Proteins implanted in it. The hydrophobic locale of the lipid bilayer center avoids water, while the Hydrophilic districts both inside and beyond the cell permit water to be brought into the design as a natural side effect.The plasma membrane encompasses all cells and actually isolates the cytoplasm, which is the material that makes up the cell, from the extracellular liquid external the cell. This safeguards every one of the parts of the cell from the external climate and permits separate exercises to happen inside and outside the cell.
The plasma membrane offers primary help to the cell. It ties the cytoskeleton, which is an organization of protein fibers inside the cell that hold every one of the pieces of the cell set up. This gives the cell its shape. Certain life forms, for example, plants and growths have a cell wall not withstanding the film.
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What information does a scientist need to most accurately determine the age of a fossil within this sample?
Answer:
natural radioactive decay of certain elements such as potassium and carbon
Explanation:
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What effect does raising the temperature have on a catalase? How do you know?
Answer: Catalase activity increases as the temperature goes from 0'C to around 30'C. Catalase activity decreases as temperature goes from around 30'C to 100'C.
Explanation:
Catalase is work at 0'C to around 30'C temperature and its activity is decreased from above 30'C to 100'c.
How does temperature affect enzyme activity?Every organism needs to survive at optimum temperature and pH, because its critical enzymes are showing activity at a particular range, above and below this range, enzymes lost their activity.
Catalase enzyme is used for the decomposition of hydrogen peroxide into water and oxygen. It is commonly found in nearly all organisms that are exposed to oxygen.
Therefore, an optimum temperature is required for an enzyme to show its activity, so catalase is work at 0'C to around 30'C.
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what phrase best describes erosion
Answer:
May be weathering process
Answer: Moving bits of rock and soil from one place to another
Explanation: