The answer is 2 because its the outside number and not in the parentheses
Answer to this question is b
Answer:
the part which allows the pollen is the stigma
Biology is the study of life, and uses the scientific method, the basis of science, to do so. Hypotheses are made, tested, and remade, until a theory is made, which then becomes Scientific law.
Answer:
This is how cells gene regulation occur.
Explanation:
Regulation of gene expression is very very important thing to maintain the normal levels of all body proteins according to our body"s requirement.
During positive gene regulation enzymes of various metabolic pathways of the target cell is being activated,thus supplying the cellular need of various metabolites and proteins.
During negative regulation various enzymes are turned off thus blocking the formation of metabolites or proteins not required by the cell.