Protein Folding Rules

Question 1

The beginning oof a protein is called the ___________

Answer 1

N- terminus

Question 2

The end of the protein is called the _______________

Answer 2

C- terminus

Question 3

Are amino acids hydrophobic or hydrophilic?

Answer 3

Hydrophobic

Question 4

Polar and charged amino acids are ________

Answer 4

Hydrophilic

Question 5

Disulfide bridge

Answer 5

2 cysteines

Question 6

Proteins have _____________ that often perform different _____________.

Answer 6

domains, functions

Question 7

What are some possible functions for proteins?

Answer 7

Binding to DNA, cutting DNA, change position, turn off protein

Question 8

How many polypeptide chains do you need for a quaternary structure?

Answer 8

2

Question 9

What chains does hemoglobin have?

Answer 9

2 alpha, 2 beta globin chains with a heme group

Question 10

What conditions denature proteins?

Answer 10

High temp and extreme pH

Question 11

What does denaturation look like?

Answer 11

Usually permanent loss of activity, may be reversible