Answer:
In passive transport, substances move from an area of higher concentration to an area of lower concentration. Diffusion through a permeable membrane moves a substance from an area of high concentration (extracellular fluid, in this case) down its concentration gradient (into the cytoplasm).
Explanation:
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The answer is capillaries.
Answer:
B. Bacteria are very small organisms.
Answer:
functions of protein:
growth and maintainance
causes biochemical reactions
acts as a messenger
provides structure
transports and stores nutrients
provides energy
Explanation:
all the statements about nucleic acids are true
