Answer:
symbiosis
Explanation:
Symbiosis means when two organisms live in mutual relation with each other for their benefit.
B. Peptide bonds connect amino acids.
Answer:
It's webbed feet of the duck.
Explanation:
It help the duck move for the search of food to eat. etc.
A. TRUE
These are grouped as the term "gonadotropins" because they affect the gonads.
The chemical formula of ammonium phosphate is (NH4)3PO4. There is 3*4=12 Hydrogen atom in one molecule ammonium phosphate. The total mass of one molecule is (14+4)*3+31+16*4=149. The mass of hydrogen atoms in one molecule is 3*4=12. So the mass percent of hydrogen is 12/149*100%=8.05%