Proteins include a diversity of structures, resulting in a wide range of functions Flashcards

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1
Q

Transport

A

Move things in and out of cell membrane

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2
Q

Transport Ex

A

In cell membrane

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3
Q

Enzymes

A

Speed up chemical reactions
= catalyst

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4
Q

Enzymes Ex

A

Lactase

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5
Q

Antibodies

A

Immunity

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6
Q

Structural

A

structure

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7
Q

Structural Ex

A

Silk in spider’s web

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8
Q

Receptor

A

Receive signals

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9
Q

Receptor Ex

A

brain

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10
Q

The monomers of proteins are amino acids. Sketch an amino acid here. Label the amino group, carboxyl group, and R group.

A
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11
Q

What is represented by R? How many are there?

A

The specific amino acid, 20

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12
Q

Primary 1

A

The sequence of amino acids

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13
Q

Secondary 2

A

Due to Hydrogen Bonds

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14
Q

Secondary
Alpha helix

A

Spiral

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15
Q

Tertiary 3

A

3-D structure
Due to R groups – alpha and beta wind together

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16
Q

Quaternary 4

A

2 amino acid chains together

17
Q

Define denaturation and give at least two ways a protein may become denatured.

A

Protein unfolds and loses its Shape, then does NOT function
Changes in Temp, pH