Answer: D
Explanation: just because it's D.
False - they send messages out to the brain
Landfills containing chemicals that drain into the soil
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Answer:
Explanation:
The lymph nodes.and makes liver work harder to metabolize
Answer:
Collagen is an extracellular matrix protein and one of the most abundant protein in the body. Its triple-helical structure is a result of the 3 coiled chains. Each chain mainly comprises of Glycine, Proline and Hydroxyproline. The Glycine hydrogen bonds with residues of the adjacent chain while the proline and hydroxyproline C-N bonds provide stability in the structure.
Explanation: