Amino Acids Flashcards

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1
Q

Which is the only Amino Acid without a chiral Carbon¿

A

Glycine

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2
Q

List the non polar alkyl amino acids

A

Glycine
Alanine
Valine
Methionine
Leucine
Isoleucine
Proline

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3
Q

List the non polar aromatic Amino Acids

A

Phenyl-alanine
Tryptophan

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4
Q

List the polar neutral amino acids

A

Serene
Threonine
Asparagine
Glutamine
Cysteine
Tyrosine

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5
Q

List the polar acidic Amino Acids

A

Aspartic Acid
Glutamic Acid

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6
Q

List the polar basic amino acids

A

Histidine
Lysine
Arginine

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7
Q

What is the isoelectric point?

A

The pH at which an amino acid is neutrally charged

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8
Q

What is a zwitterion

A

A molecule that carries a negative and positive charge simultaneously

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9
Q

What is unique about proline giving it the ability to disrupt secondary protein structure?

A

Proline has a secondary alpha amino group which causes it to introduce kinks into the alpha helix structure

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10
Q

Which Amino Acid does not have an S configuration

A

Cysteine

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11
Q

How is a peptide bond formed?

A

It is formed by nucleophilic addition elimination reaction between the carboxylic acid group of one amino acid and the amino group of another amino acid

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12
Q

Which protein structures are disrupted by HEAT

A

2,3,4

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13
Q

Which protein structures are disrupted by ACID

A

Acid breaks ionic bonds in 3 and 4 structure

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14
Q

Which protein structure is disrupted by CHEMICALS

A

Chemicals disrupt hydrogen bonds in 2,3 and 4 structure

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15
Q

Which protein structure is disrupted by ENZYMES

A

Primary structure

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