Plants can synthesize all twenty amino acids. Humans must eat plants or animals to obtain some of these amino acids. Proteins are broken down into pieces when human eat it. This helps in providing proper metabolism to the system.
Answer:
Photosynthesis
Explanation:
Carbon dioxide is obtained from the atmosphere and used in the photosynthesis process.
A cell membrane can me compared to a wall, one that is flexible and malleable but strong enough to repel unwanted things from the cell. it also keeps the cell together in its shape and form
Answer:
I have no idea
Explanation:
sorry I thought I could help
Answer:
C.
Explanation:
A theory is not a guess but an explanation of <u><em>why</em></u> things happen.