Answer: Amino acids are organic compounds (molecules) that contain amine (–NH2) and carboxyl (–COOH) functional groups, along with a side chain (R group) specific to each amino acid.
Explanation: The variation seen in naturally occurring amino acids arises from differences in this side chain.
Answer:
many alveoli are present in the lungs with a shape that further increases surface area. Thin walls - alveolar walls are one cell thick providing gases with a short diffusion distance. Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface.
Explanation:
The Answer Would Be #2 Polyp
Answer:
B. Convergent and subduction zones can cause trenches
Explanation:
The LITHOSPHERE is the rocky outer part of the earth , is is made up of the brittle crust an top of the mantle.
