🧡 Unit 3: Protein Folding

Question 1

Primary Structure

Answer 1

sequence of amino acids along the amino acid chain determined by DNA

Question 2

Secondary Structure

Answer 2

result of hydrogen folding along the amino acid chain

Question 3

What are the possible shapes in the Secondary Structure?

Answer 3

Alpha Helix
Pleated Sheet

Question 4

Alpha-Helix

Answer 4

spiral

Question 5

Pleated Sheet

Answer 5

flat pleated sections

Question 6

Tertiary Structure

Answer 6

complex coiling gives the protein’s final shape

Question 7

What determines the tertiary structure?

Answer 7

R-group interactions and water

Question 8

Quaternary Structure

Answer 8

two or more tertiary structures interacting with each other to form proteins complex

Question 9

Globular Proteins

Answer 9

rounded and compact, water soluble
(ex: hemoglobin)

Question 10

Fibrous Protein

Answer 10

arranged in sheets/strands, very tough, not water soluble (ex: collagen)

Question 11

What determines protein function?

Answer 11

shape, pH, temperature, ionic composition