MOLECULAR BIOLOGY TEST REVIEW QUESTIONS WITH VERIFIED SOLUTIONS
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Course
MOLECULAR BIOLOGY
Institution
MOLECULAR BIOLOGY
MOLECULAR BIOLOGY TEST REVIEW QUESTIONS WITH VERIFIED SOLUTIONSMOLECULAR BIOLOGY TEST REVIEW QUESTIONS WITH VERIFIED SOLUTIONSMOLECULAR BIOLOGY TEST REVIEW QUESTIONS WITH VERIFIED SOLUTIONSDNA and RNA are polymers called_, and are made of monomers called __ - ANSWER-nucleic acids; amino acids
Wh...
MOLECULAR BIOLOGY TEST REVIEW
QUESTIONS WITH VERIFIED
SOLUTIONS
DNA and RNA are polymers called_, and are made of monomers called __ - ANSWER-
nucleic acids; amino acids
What are the three parts of a nucleotide? - ANSWER-nitrogen base, phosphate group,
sugar
What does the pentagon, indicated by the number 1 on the figure, represent? -
ANSWER-sugar
What does the circle, indicated by the number 2 on the figure, represent? - ANSWER-
phosphate
What do the numbers 3 and 4 on the figure represent? - ANSWER-nitrogen base
What type of sugar is found in DNA? - ANSWER-deoxyribose
What are the four nitrogen bases in DNA? - ANSWER-adenine, guanine, cytosine,
thymine
How do the bases pair in DNA? - ANSWER-adenine and thymine; cytosine and guanine
What scientist discovered the base pairing rules? - ANSWER-chargaff
List the three ways that RNA is different from DNA. - ANSWER-1. In DNA, the sugar is
deoxyribose and in RNA the sugar is ribose.
2. In RNA, thymine is changed from thymine to uracil.
3. RNA is usually single stranded unlike DNA which is a double helix.
If the DNA double helix were a twisted ladder, what would the sides of the ladder be
made of? - ANSWER-sugar and phosphate
What type of bonds hold together the sides of the DNA molecule? - ANSWER-covalent
What would the rungs of the ladder be made of? - ANSWER-4 Nitrogen bases- adenine,
thymine, cytosine, guanine
What type of bonds hold together the rungs of the DNA molecule? - ANSWER-hydrogen
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