Answer:
That would be A. Covalent bond!
Explanation:
Since the bond formed is an ester bond, these bonds are covalent in nature and so the answer is A.!
Plasma, water, salt, protein, platelets
DNA polymerase is an enzyme that adds the RNA nucleoides to help build the RNA molecule
Answer: C
Explanation:
For example, in trp-operon, an abundance of tryptophan. coli inhibits the expression trp-operon genes.
Trp operon is a negative repressible feedback mechanism
trpR gene is expressed continually at a low level
The answer is c .because photosynthesis produce oxygen and it absorb carbon oxide
