AFNS — AFNS Biology
Biological Molecules
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#25 Water is important in cells because it:
A) Dissolves substances / medium for reactions
B) Never reacts
C) Only freezes
D) Only evaporates
Answer: A
#26 Saturated fats have:
A) No double bonds in fatty acid chain
B) Many double bonds
C) Only proteins
D) Only water
Answer: A
#27 Unsaturated fats have:
A) One or more double bonds
B) No carbon
C) Only iron
D) Only calcium
Answer: A
#28 Haemoglobin is a:
A) Protein
B) Carbohydrate
C) Lipid
D) Vitamin
Answer: A
#29 Collagen is a:
A) Structural protein
B) Enzyme only
C) Sugar
D) Fat
Answer: A
#30 Vitamin D deficiency can cause:
A) Rickets
B) Scurvy
C) Beriberi
D) Night blindness
Answer: A
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