Answer:
20 amino acids.
Explanation:
Amino acids are the monomers that combine together to form a protein. Two main types of amino acids are non- essential amino acids and essential amino acids.
Thousands of different proteins can be made by the simple 20 amino acids present in the cell. The amino acids can combine in different ways to form all the proteins present in the body.
Thus, the correct answer is option (5).
Epinephrine in animals and auxin in plants act as hormones
that triggers specific cellular responses that vary among different tissues of
the organism. The biosynthesis of epinephrine involves breaking just one
carbon-carbon bond in the amino acid tyrosine, Synthesizing epinephrine
requires breaking the bond between the carboxyl group (COOH) and the α-carbon
in tyrosine.
<span>Air pollution is the presence of harmful substances in the earths atmosphere </span>
Answer: I hope the file helps you out :)
Xylem are tubes in the stem that transport water and minerals upward, from the roots to the leaves. Phloem are tubes in the stem that move food made in the leaves to other parts of the plant. ... Chlorophyll is a pigment that helps plants use energy from the sun to produce sugars.