Which part of a fatty acid is hydrophilic?
A) carboxyl group head
B) hydrocarbon tail
C) glycerol head
D) saturated tail
E) unsaturated tail
Correct Answer:
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Q20: Sucrose is composed of _.
A)two molecules of
Q21: What is the most abundant and richest
Q22: Which molecule is a polysaccharide?
A)glucose
B)fructose
C)cellulose
D)ribose
E)galactose
Q23: Plant cuticles, which reduce water loss, are
Q24: Plants store excess carbohydrates in the form
Q26: What is the role of DNA?
A)fatty acid
Q27: To prepare a gelatin dessert, heat is
Q28: Chitin strengthens the structure of some _.
A)animals
Q29: Organic molecules _.
A)are held together primarily by
Q30: Which type of bond contributes to a
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