The answer to this question would be: Stomach(gaster), HCl
Protein digestion happens in the stomach. The stomach will secrete the acid which was HCl to kill bacteria inside food and denatures the protein. The acid also activates pepsin enzyme and in turn, will digest the protein into smaller amino acids.
Answer:
b. the new species must be unable to breed with the original species.
Explanation:
By definition, species are defined as groups of similar organisms that can live and breed freely. This means that individuals in that species can interbreed and produce viable, fertile offspring. However, two different species cannot interbreed to produce fertile offspring due to biological barriers known as mechanisms of reproduction isolation.
These barriers are broadly classified as pre and postzygotic. Prezygotic barriers include the following:
- Habitat isolation: Two species occupy entirely different and distant habitats.
- Temporal isolation: Two species procreate at different times of the year.
- Behavioral isolation: Two species exhibit different mating behaviors.
- Gametic isolation: The gametes of the two species cannot fertilize.
- Mechanical isolation
Speciation, the production of an entirely new species, requires a maintenance of genetic diversity. Therefore, the new and original species cannot interbreed as this would limit the gene pool and decrease genetic variations.
Answer:
The cell theory states that all living beings are made of cells. There is a debate as to whether or not viruses should be considered to be alive. The debate results from the fact that viruses cannot reproduce on their own. They must invade a host cell and utilize the host’s genetic material in order to reproduce. Viruses are not true cells. They lack the most important part of the cell, the protoplasm. Hence, the cell theory is not applicable to viruses. Hence, the answer is C.
Explanation:
The data about leg size in the parental generation is NOT found here, but it is expected that it is a quantitative trait.
<h3>What are quantitative traits?</h3>
Quantitative traits are phenotypic features associated with the inheritance of many genes, the infection among them and the environment.
Leg size, height, and weight are quantitative traits because there are many genes involved in their expression patterns.
Both quantitative and qualitative (monogenic) traits are selected in the natural populations via natural selection.
In conclusion, it is expected that leg size is a quantitative trait.
Learn more about quantitative traits here:
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the surgical opening or puncture of a vein in order to withdraw blood or introduce a fluid, or (historically) as part of the procedure of letting blood.
