Protein Structure and Function Quiz

Most of the protein in the body is found as _______.

• skeletal muscle

• blood plasma

• liver tissue

• skin

Proteins are the most diverse in both function and structure out of all organic molecules because of their diverse _______.

• arrangements

• colors

• sizes

• shapes

Tags

NGSS.HS-LS1-1

Contractile proteins work closely with _______ proteins.

• structural

• enzymatic

• transport

• defensive

_______ is the iron-containing protein found in blood which moves oxygen from the lungs to other parts of the body.

• Hemoglobin

• Myoglobin

• Fibrinogen

• Albumin

Enzymes act as _______ catalysts, meaning they affect the speed of a chemical reaction without being changed itself.

• chemical

• physical

• biological

• mechanical

Tags

NGSS.HS-LS1-7

_______ amino acids can be created in the body and are not required in the diet.

• Nonessential

• Essential

• Conditional

• Branched-chain

Also attached to the alpha carbon is a single _______ atom and a chemical group denoted by the letter R.

• hydrogen

• oxygen

• nitrogen

• carbon

Tags

NGSS.HS-LS1-6

Proteins are created by one or more _______ chains.

• polypeptide

• nucleotide

• saccharide

• lipid

Tags

NGSS.HS-LS1-1

The slightest change in the amino acid sequence can alter the overall _______, and therefore, function of the protein.

• shape

• color

• weight

• temperature

Tags

NGSS.HS-LS1-1

Almost all tertiary structures can be described as _______, meaning round, or fibrous, meaning rod-like.

• globular

• linear

• cylindrical

• planar