Since an animal only becomes more complex, and not simpler, an ancestor to all organisms would have to be the most simple and primitive organism.
Answer:
The correct answer is c) The first statement is true; the second is false.
Explanation:
To be able to perform its role, a hormone must bind a specific receptor in its target cell. The receptor can be located inside the cell (in cytosol) or in the surface of the cell (transmembrane receptor). By regulating the expression of the receptor, the target cell regulates the hormonal activity.
The number of hormone receptors in a cell is not constant, it can vary depending on sereral factors, such as the age of the organisms, the effect of several drugs, mutations or diseases.
The correct answer is complete flower. A flower that Contains both a male and a female reproductive structure is considered a complete flower.
<h3>What are complete flower?</h3>
A complete flower is a flower that includes all the four whorls such as petals, sepals, the male reproductive structure and female reproductive structure (pistil/ carpel).
Hence it is also called as a complete or perfect flower. Petunia is a complete flower.
Thus the correct answer is complete flower, is also called as a perfect flower.
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Answer:
Explanation:
For one cycle, two molecules of carbon, three molecules of NADH, one molecule of FADH2 and one molecule of ATP or GTP are produced. Each glucose molecule produces two molecules of acetyl CoA, enough for two cycles.
