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Chemistry 7404/5 > Amino Acids > Flashcards

Amino Acids Flashcards

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1
Q

What is an amino acid in acidic conditions?

A

R
H3N+—C—-COOH
H

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2
Q

What is an amino acid in alkaline conditions?

A

R
H3N+—C—-COO-
H

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3
Q

What is an amino acid in pH=7

A

R
H3N+—C—-COO-
H

Zwitterion

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4
Q

What are proteins?

A

Monomers are amino acids
Condensation reaction links
peptide linke= amide link

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5
Q

What are the other structures of proteins?

A

1˚- chain of amino acids
2˚- a helix B pleated sheet
3˚- Disulphide bridge, hydrophobic interactions, ionic

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6
Q

Amino Acids can be analysed by….

A

Thin layer chromatography

must be highlighted by UV on ninydrin

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7
Q

What are enzymes?

A

Proteins
Biological catalysts with stereospecific active sites

Drugs act as inhibitors by occupying active site

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8
Q

DNA

A

AT 2
CG 3

Must be able to draw the bonds

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9
Q

Anticancer drugs

A

Transplatin- no affect

Cisplatin- binds to guanine and prevents DNA replication but occurs also in healthy cells

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Chemistry 7404/5 (29 decks)

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