What are the four types of macromolecules?

Answer 1

The four types of macromolecules found in living things are carbohydrates, proteins, nucleic acids, and lipids.

The main energy source is carbohydrates, some of which are structural (cellulose, for example).

Proteins perform a multitude of roles, including forming structures and acting as enzymes to control chemical reactions.

Protein synthesis and heredity are mediated by nucleic acids, specifically DNA and RNA.

Lipids are an energy source and can also be structural, like the phospholipids in the plasma membrane.

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Answer 2

Daniel Allen

Proteins, lipids, nucleic acids, and carbohydrates are the four categories of macromolecules.

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.