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

Question 1

Transport

Answer 1

Move things in and out of cell membrane

Question 2

Transport Ex

Answer 2

In cell membrane

Question 3

Enzymes

Answer 3

Speed up chemical reactions
= catalyst

Question 4

Enzymes Ex

Answer 4

Lactase

Question 5

Antibodies

Answer 5

Immunity

Question 6

Structural

Answer 6

structure

Question 7

Structural Ex

Answer 7

Silk in spider’s web

Question 8

Receptor

Answer 8

Receive signals

Question 9

Receptor Ex

Answer 9

brain

Question 10

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

Question 11

What is represented by R? How many are there?

Answer 11

The specific amino acid, 20

Question 12

Primary 1

Answer 12

The sequence of amino acids

Question 13

Secondary 2

Answer 13

Due to Hydrogen Bonds

Question 14

Secondary
Alpha helix

Answer 14

Spiral

Question 15

Tertiary 3

Answer 15

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

Question 16

Quaternary 4

Answer 16

2 amino acid chains together

Question 17

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

Answer 17

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