Answer:
I think its c include a control in the system that varies the input level in a regular cycle.
Explanation:
What are the possible gametes for the individual with the genotype: YYSs?
Answer:
Hey mate I have wrote the answer
see it in the given picture!!!
Explanation:
Hope this help you
The possible gametes for the individual with the genotype YYSs are YS, Ys, YS, and Ys.
What are genotypes?An organism's genotype comprises all of its genetic components. The genotype is another name for an individual's alleles or genetic variations within a certain gene or genetic area.
There are three different genotype types: homozygous dominant (PP), homozygous recessive (pp), and heterozygous (Pp). Both homozygous dominant and heterozygous genotypes exhibit the same features. The formula 2n, where n is the number of heterogeneous alleles present in the genotype, is used to determine the total number of gametes that are produced by a specific genotype.
Thus, the possible gametes for the individual with the genotype YYSs are YS, Ys, YS, and Ys.
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In addition to their role as building blocks for proteins, amino acids are used as precursors for the biosynthesis of a wide variety of molecules. Match the amino acids with the molecules for which they act as precursors. Histamine Epinephrine Scrotonin Glutathione Heme NAD(H)tyrosine histidine eysteine glycine glutamate tryptophan
Answer:
Amino acids are the building blocks or monomers of proteins. These are the molecules that act as the precursors for the biosynthesis of various hormones some other molecules of our body. these amino acid molecules for by the process of protein synthesis.
The given amino acids are precursors of the following molecules-
1. Histamine - Histidine
2. Epinephrine - Tyrosine
3. Serotonin - Tryptophan
4. Glutathione - Cysteine, Glutamate and Glycine
5. Heme - Glycine
6. NAD(H) - Tryptophan
Consider a mixture of bacterial species from the same genus, such as Staphylococcus. Some members of this genus are harmful pathogens, while others are not. Would a selective medium alone be a good tool to separate the harmful species from the non-harmful species
Answer:
No. There are different types of media that may result useful to separate this species. Moreover, differential media can also be used to differentiate closely related species (e.g., by the change of color in the medium)
Explanation:
A selective media is a type of media capable of selecting for the growth of specific microorganisms while inhibiting the growth of others. For example, if a bacterium is resistant to an antibiotic (e.g., ampicillin), then this compound can be added to the medium in order to select bacteria that are resistant and simultaneously inhibit the growth of susceptible bacteria. Moreover, a differential media is a media that contain chemical indicators that allow certain microorganisms to be visually identified by the appearance of the colony and/or its surrounding media. Differential media have into account certain biochemical characteristics of target microorganisms (e.g., the change of color in the medium which is associated with the ability of the microorganism to ferment sugar molecules).
A sample of 100 students shows that 16 have smooth chins (recessive allele to cleft chin). Calculate the number o heterozygous students.
A phosphate group has the following chemical composition:
a. -OH
b. -COOH
c. -PS2
d. -CH3
e. -PO4
Answer: The phosphate group has the chemical composition [tex]-PO_{4}[/tex].
Explanation:
A phosphate group is a group where one phosphorus atom is attached to four oxygen atoms.
The oxygen atoms are attached to the phosphorus atom via single bond and one oxygen atom is attached to the phosphorus atom via double bond.
The chemical formula which represents a phosphate group is [tex]-PO_{4}[/tex].
Thus, we can conclude that phosphate group has the chemical composition [tex]-PO_{4}[/tex].
Explain why you would recommend the nguni cattle meat to consumers in your locality.
Answer:
Below
Explanation:
All different combinations were catalogued in the beginning of the century by a South African herdmaster. This work inspired the Nguni Cattle Register, a compilation of terms to describe in full a Nguni cow or bull. The cattle are medium-sized, with bulls weighing between 500 and 600 kg,[3] while cows weigh between 300 and 400 kg.
Earth's biosphere is described as
the zone of life. The sum of all life on Earth.
What was one major effect of urbanization on British society during the
Industrial Revolution?
O A. Urban citizens were forced to drink unsanitary and polluted water.
B. Improved living conditions resulted in a decline in the mortality
rate.
O C. Governments passed strict regulations to reduce the levels of
pollution.
D. Wealthy corporations relocated their factories to rural areas.
Answer:
B is the answer
B. Improved living conditions resulted in a decline in the mortality
rate.
Hope it helps
The major effect of urbanization is improved living conditions resulted in a decline in the mortality rate during industrial revolution.
What is industrial revolution?The Industrial Revolution was the shift to new industrial methods in the United Kingdom, continental Europe, and the United States from around 1760 until between 1820 and 1840.
The major effect of urbanization is improved living conditions resulted in a decline in the mortality rate during industrial revolution.
Thus, the correct option is B.
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What is the
nature of water molecules makes that able to absorb heat and moderate our
climate.
You are a research biologist working at the U.S. research station in Antarctica. You discover a new single-celled organism that is able to survive in the frigid conditions. During your research you observe that the organism has a nucleus. Which domain would this new organism be classified into
Answer: Eukarya.
Explanation:
The cell is the functional and morphological unit of all living beings. Organisms can be classified as follows: if they are composed of a single cell, they are called unicellular (such as protozoa or bacteria which are microscopic organisms), or mutlicellular if they have more cells.
The three-domain system is a biological classification into three groups:
Archaea Bacteria Eukarya.It is based on the differences found in the sequence of the ribosomal RNA of the minor subunit to conclude that these groups developed separately from a common progenitor.
Archaea are a group of unicellular prokaryotic microorganisms that have no nucleus or any internal membranous organelles. However they are different from bacteria, so that they form their own domain.
Bacteria are prokaryotic microorganisms that do not have a defined nucleus nor do they generally have internal membranous organelles.
Although archaea and bacteria are morphologically very similar, archaea are closer to eukaryotes in some genes and pathways of transcription and translation. Thanks to studies of genetic material, now we knot that the evolution of archaea and bacteria had been independent, so archaea could no longer be considered as a group of bacteria. However, the Archaea and Bacteria domains include prokaryotic organisms, i.e. those whose cells do not have a differentiated cell nucleus.
The Eukarya domain includes the best known and most complex forms of life (protists, animals, plants and fungi). It includes organisms formed by cells with a true nucleus. These organisms consist of one or more eukaryotic cells, ranging from unicellular to multicellular organisms in which the different cells are specialized for different tasks and which, in general, cannot survive in isolation.
So, if the observed organism possesses a nucleus, then it is a eukaryote.
How are meiosis and mitosis similar?
Answer:
b
Explanation:
they both produce new cells.
Answer:
heyyy
B is the answer
they produce new cell
Old is Gold - B.Sc. 2nd year 203
2074/What is mutation? Explain different types of mutation involving changes in
chromosome number and chromosome structure?
Answer:
Mutation is the changing of the structure of genes resulting in a varied form that may be transmitted to subsequent generations, caused by the alteration of single base units in DNA or the deletion, insertion, or rearrangement of larger sections of genes or chromosomes.
A silent mutation is a mutation where the codon still corresponds to the same amino acid. The sequence of amino acids is not changed so the protein that gets made is the same as the wild type, or normal protein.
A missense mutation changes the codon so that it codes for a different amino acid.
Finally, a nonsense mutation causes protein creation to stop early, which makes a non-functioning protein.
Substitution means that one base is exchanged for another. This is kinda like having a substitute teacher. The sub isn't your normal teacher, but they are still a teacher. A protein that is made with a substitution might still function normally, or it could be nonfunctional.
Deletion is kinda self-explanatory. It happens when a base is deleted or, in other words, is just missing.
Finally, insertion means an extra nucleotide is added.
Explanation:
Hope it helps .
Short Answer Questions
What TWO things are necessary for evolution by natural selection to
occur?
The morphogical characteristics of plant plantain...
Answer:
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Melanie has had a recent cold with symptoms of runny nose, sneezing, coughing, congestion, and malaise. Today, she is concerned that she has a sharp pain in her chest. She goes to see her health care provider, and is diagnosed with costochondritis, an inflammation in the cartilage between the ribs. From your reading related to cellular injury and adaptations as well as inflammation, answer the following questions:
a. What anatomic problem most likely leads to costochondritis?
b. What is the injury in costochondritis?
c. What would the acute inflammatory response look like?
Answer:
a. Viral infections may lead to inflammation between the ribs (i.e., costochondritis)
b. Viral infection
c. Viral infection may lead to the influx of chemical mediators (cytokines), increased blood flow, and movement of plasma and white blood cells (leukocytes) from the blood into the injured site
Explanation:
Costochondritis is a painful condition caused by the inflammation of the cartilage that joins the ribs to the breastbone (this joint is known as the “costochondral joint”). Costochondritis is caused by inflammation of the costochondral joint, which may be triggered by multiple causes including, among others, viral/bacterial/fungal infections, exercise or strenuous activity, chest trauma, osteoarthritis, presence of tumors, etc. Acute inflammation is the immediate immune response of the body to harmful stimuli (e.g., viral infections), which is characterized by the increased movement of white blood cells (such as neutrophils and macrophages) that rapidly travel from the blood into the injured area. This plasma contains chemical mediators like pro-inflammatory cytokines which are secreted from immune cells (e.g., Th1 cells, CD4+ cells, macrophages) in order to promote inflammation.
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during chemosis what substance diffuse from one side to other side of the membrane
Answer:
During chemosis,transport chain substance diffuse from one side to other side of the membrane.
Where do stars form?
Answer:
Stars are formed within clouds of dust...
What is the most likely reason that nonmetals are electrical insulators?
Since valence shells are mostly empty in nonmetal atoms, the atoms attract and hold any electrons they can in
order to fill their valence shells.
O Since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their
valence shells,
O Since all nonmetals have valence shells that are full, they hold electrons tightly to avoid changing.
Since all nonmetals have valence shells that are completely empty, they do not attract or release any electrons.
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Answer: Since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.
Explanation:
Electric current can flow freely in a conductor but in an insulator, it cannot flow freely.
The most likely reason that nonmetals are electrical insulators is since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.
Answer:
Since valence shells in nonmetal atoms are almost full, the atoms attract electrons and hold them tightly to fill their valence shells.
Explanation:
Complete each sentence with the correct word or phrase
a. An action potential reaches the axon terminal causing __________to open.
b. Acetylcholine diffuses across the synaptic cleft before binding to its receptor, which is located on the _____
c. When the membrane potential reaches ________an action potential spreads across the sarcolemma due to the opening of ___________
d. In response to acetylcholine binding, ________ move into the muscle fiber causing the membrane potential to rise.
Answer:
a). Voltage-gated Ca2+ channels
b). the motor end plate
c). Threshold, voltage-gated Na channels
d). sodium ions
Explanation:
a). The voltage-gated [tex]Ca^{2+}[/tex] channels are the key transducers of the membrane potential that changes into a intracellular [tex]Ca^{2+}[/tex] transients which initiates the physiological events. When the action potential makes a contact with axon terminal, the voltage-gated [tex]Ca^{2+}[/tex] channels opens.
b). The acetylcholine is the main neurotransmitter of the parasympathetic nervous system. It helps in blood vessels dilation, muscle contraction, and perform many more functions.
It diffuses with the synaptic cleft that is located on the motor end plate of the nervous system.
c). The membrane potential is also known as the membrane voltage or the transmembrane potential. When it recaches the threshold, the voltage-gated Na channels opens to spread the action potential across sarcolemma.
d). The sodium ions in case of acetylcholine binding moves to the muscle fiber due to which the membrane potential rises.
8
Michelle has been given a microscope slide that contains a eukaryotic cell and a prokaryotic cell. What should she look for to
distinguish the eukaryotic cell from the prokaryotic cell?
OA.
ribosomes
ОВ.
cell membrane
OC.
nucleus
OD
cytoplasm
Reset
Next Question
Answer:
Nucleus
Explanation:
Because an only prokaryotic cell has a true nucleus
a) Eukaryotic cell : Nucleus :: Prokaryotic cell : ______
3.3
Predict the possible genotypes of offspring if two roan heterozygous
polled cattle were mated
Answer:
RR, Rw, Rw, ww
Explanation:
Rw
R
w
RR, Rw, Rw, ww
The phenotypes would be 1 Red, 2 Roan, and 1 white, assuming the colors of roan are white and red and red is dominant white is recessive, hope that helps!
PLEASE HELP ASAP!!!!!
Answer:B andC
hope it helps
Spatial perception and the recognition of familiar objects require activity in which of the following cortical regions?
a. Auditory association areas
b. Primary olfactory cortex
c. Visual association areas
d. Orbitofrontal cortex
Answer:
c. Visual association areas
Explanation:
The visual association areas are part of the cerebral cortex and are responsible for allowing human beings to have special perception, movement perception, visual perception processing and recognition of familiar objects. These areas are extremely important for the maintenance of human activities, and the deterioration or disturbance of these causes serious problems, difficult to be resolved.
what's the right blood cell
How do somatic and Inherited mutations differ?
O A. Somatic mutations exist in all cells in the body and Inherited mutations only exist In the cell type that mutated.
O B. Inherlted mutations exist in all cells in the body and somatic mutations only exist In the cell type that mutated.
O C. Somatic mutations only affect males and inherited mutations affect any gender.
O D. Inherited mutations only affect males and somatic mutations affect any gender.
What is the result of a mutation during meiosis
Answer:
There's a change in the DNA sequence
Explanation:
If a mutation occurs in cells that will make gametes by meiosis or during meiosis itself, it can be passed on to offspring and contribute to genetic variability of the population. Mutations are the sole source of genetic variability that can occur in asexual reproduction. But the effects of mutations can vary widely, from being beneficial, to having no effect, to having lethal consequences, and every possibility in between.
Factors determine energy a human being requires in a day
Palm trees grow in warm climates. The climate in Alaska where the scientist found the fossil is very cold. Since the palm tree died millions of years ago, what is most likely true about the Alaska's climate?