Biology
Vitamins are

Essential Amino acids
Macro Nutrients
Non essential Amino acids
Micro nutrients

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Biology
Which is not a function of the cell membrane?

Helps control the movement of materials into and out of the cell
Keeps materials within the cell separated from the environment outside the cell
Allows the cell to change shape under pressure
Helps substances pass from the cytoplasm into the nucleus

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Biology
Which statement describes decomposers?

All listed here
Decomposers are insignificant organisms in the ecosystem and can be absent in some ecosystems
Decomposers can produce their own source of energy and can sometimes act as primary producers
Decomposers are those organisms that recycle matter in the ecosystem

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