Answer:
D
Explanation:
Hormones are bigger than the cell pores hence cannot pass through the cell membrane to influence biochemical processes. Therefore, hormones (such as glucagon and insulin) bind onto receptors on the cell membrane, then transmembrane proteins, such as the G-protein, change conformation activating the secondary messengers inside of the cell. Cyclic- AMP is a major secondary messenger significant in activating protein kinases.
Since the chromosome number remains the same during mitosis, it would be diploid having 28. Also within the final stage.
i cant really tell about no.1. can you be more specific about it.
1) pollution is the contamination of the earth.
2) Faraday
3) solar energy
4) inclined plain
5) Galileo
Answer:
the first one i think hope this helps
Explanation: