Protein structure

Question 1

What end do you begin with when naming amino acids?

Answer 1

Amino terminal

Question 2

What is the primary structure of a protein?

Answer 2

Sequence of amino acids

Question 3

Name the 2 types of secondary structure

Answer 3

a-helix

B-pleated sheets

Question 4

The secondary structure is formed by _____ bonds between peptides

Answer 4

Hydrogen

Question 5

What is the tertiary structure of a protein?

Answer 5

Pakcing of secondary structure

Question 6

Name the interactions in the tertiary structure

Answer 6

VdW
H-bonds
Electrostatic
Hydrophobic

Question 7

What is the quaternary structure of a protein?

Answer 7

Multiple strands of amino acids

Question 8

What forces hold the amino acid strands together?

Answer 8

Non-covalent

Question 9

What are proteinaceous infectious particles?

Answer 9

Proteins involved in the spread of prion diseases

Question 10

Give examples of a prion disease

Answer 10

Spongiform enecepalopathies
Scrapie
BSE
CID

Question 11

The “peptide” bond linking two amino acids together can be considered to be equivalent to which common functional group?
	A	Amide
	B	Amine
	C	Carboxylic Acid
	D	Ester
	E	Ether

Answer 11

A Amide

Question 12

The “first” amino acid in the primary structure of a protein is known as its
	A	C terminus
	B	F terminus
	C	N terminus
	D	R terminus
	E	Y terminus

Answer 12

C N terminus

Question 13

Alpha helicies and beta sheets are common motifs found at which level of prtein structure?
	A	Primary
	B	Secondary
	C	Tertiary
	D	Quaternary
	E	Tertiary and Quaternary

Answer 13

B Secondary