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Mars M.
Biochemist with 2+ years tutoring experience
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Organic Chemistry
TutorMe
Question:

What are two stereoisomers called when they have multiple stereocenters and are *not* mirror images of each other?

Mars M.
Answer:

Diastereomers.

Chemistry
TutorMe
Question:

What is the charge and chemical folmula of the polyatomic ion carbonate?

Mars M.
Answer:

CO3, with a charge of -2.

Biochemistry
TutorMe
Question:

What are the four basic polymers we primarily study in biochemistry, and can you name their individual repeating units and give an example of each?

Mars M.
Answer:

Nucleic Acids, a monomer of which is a nucleotide, such as adenine. Proteins, or polypeptides, a monomer of which is an amino acid, such as proline. Carbohydrates, or polysaccharides, a monomer of which is a monosaccharide, such as glucose. Finally Lipids, which do not actually typically form polymers, but are nonetheless ubiquitous to life, such as cholesterol, steroids, or triglycerols.

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