The neuron releases chemical messengers. Otherwise, there would be no 'signal transduction' in the postsynaptic cell. So, your answer is B.
Answer:
Soybeans are considered a whole source of protein.
Explanation:
This means that they provide the body with all the essential amino acids it needs.
The role of xylem is to transport water and some nutrients from roots to shoots and leaves.
Answer:
In order to change any part of the cell theory, we will have to prove that the cells are not the basic unit of life. We will have to provide evidence that a cell does not distinguish a living thing from a non-living thing. We will either have to prove the spontaneous generation to be true or have to prove that if not cells, then what are the basic units of life. We will also need evidence to prove that a cell does not arise from a pre-existing cell.
Each chromosome (replicated or not) contains 2 chromatids.
