Answer:
True
Explanation:
There are 9 essential amino acids which cannot be made by the body and have to be obtained from food.
They are histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine
Answer:A. Both animals and plants have changed over time.
Explanation:
Because plants and animals go through adaptations.
Answer: B
Explanation: The mitochondria are vacuoles and ribosomes are in both plant and animal cell
It has covelent bonds at 180 degrees between H & N
