Protein

Question 1

process that gives proteins their functional shape

Answer 1

Folding

Question 2

incorrect folding, leading to dysfunction and often disease

Answer 2

Misfolding

Question 3

Approximate composition of proteins (carbon)

Answer 3

Carbon (C) 50-55%

Question 4

Approximate composition of proteins (Hydrogen)

Answer 4

Hydrogen (H) 6-7%

Question 5

Approximate composition of proteins (Oxygen)

Answer 5

Oxygen (O) 20-25%

Question 6

Approximate composition of proteins (Nitrogen)

Answer 6

Nitrogen (N) 15-18%

Question 7

Approximate composition of proteins (Sulfur)

Answer 7

Sulfur (S) 0-3%

Question 8

keratin (hair, nails), collagen (connective tissues).

Answer 8

Structural Support

Question 9

biological catalysts that speed up chemical reactions (e.g., amylase, lipase)

Answer 9

Enzymes

Question 10

hemoglobin carries oxygen; membrane proteins transport molecules across cells

Answer 10

Transport

Question 11

antibodies fight infections.

Answer 11

Defense

Question 12

hormones like insulin and glucagon regulate blood sugar.

Answer 12

Regulation

Question 13

actin and myosin in muscles enable contraction.

Answer 13

Movement

Question 14

ferritin stores iron.

Answer 14

Storage