IB Biology: Proteins

What is a proteome?

• The genes that code for all the proteins in the ribosome

• The group of proteins that generate a proton gradient in mitochondria

• The entire genome of a prokaryote

• The entire set of proteins expressed by an organism at a certain time

Which protein is identified with its function?

• A

• B

• C

• D

Tags

NGSS.HS-LS1-1

Which protein has the highest tensile strength (ability to resist breaking when stretched)?

• Cellulose

• Actin

• Spider silk

• Albumin

Which of the molecules contain peptide bonds?

• I

• II

• III

• IV

Tags

NGSS.HS-LS1-6

The most abundant structural protein in the human body is found in ligaments and skin. What is the name of this protein?

• Collagen

• Hemoglobin

• Insulin

• Immunoglobulin

Which is an effect of protein denaturation?

• The order of amino acids is changed when the protein overheats.

• The bonds between amino acids are broken by condensation.

• Parts of the protein become linked together by hydrolysis.

• The three-dimensional structure of the protein is altered.

Tags

NGSS.HS-LS1-1

What is found in insulin molecules?

• Phosphates

• Nucleotides

• Peptide bonds

• Glycerol

Tags

NGSS.HS-LS1-6