What is the role of DNA?
A) fatty acid hydrogenator
B) facilitator of biochemical reactions
C) energy carrier
D) carrier of biological information
E) protein synthesizer
Correct Answer:
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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
Q25: Which part of a fatty acid is
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
Q31: A carbon atom has how many electron
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