Answered: Which pair of bases is linked together…

Which pair of bases is linked together by two hydrogen bonds? Group of answer choices guanine and adenine adenine and cytosine guanine and thymine none of these

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter8: Dna Structure And Function

Section: Chapter Questions

Problem 1SA: Which is not a nucleotide base in DNA? a. adenine c. glutamine e. cytosine b. guanine d. thymine f....

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Question

Which pair of bases is linked together by two hydrogen bonds?

Group of answer choices

guanine and adenine

adenine and cytosine

guanine and thymine

none of these

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Which of the following does cytosine pair with? a. guanine b. thymine c. adenine d. a pyrimidine
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Which of the following descriptions best describes the composition of nucleotides? Group of answer choices A. a pentose sugar and a purine or pyrimidine B. a nitrogenous base, a phosphate group, and a pentose sugar C. a nitrogenous base and a pentose sugar D. a nitrogenous base and a phosphate group E. a phosphate group and an adenine or uracil
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Which of the following is true of guanine? Select all that apply. a Guanine has a one-ring structure. b Guanine is a purine base. c There are three hydrogen bonds between guanine and its complementary base pair. d Guanine pairs with cytosine. e Guanine is a pyrimidine base.
Which of the following is true about the structure of nucleotides? A. Purine nucleotides cannot base pair with pyrimidine nucleotides. B. Pyrimidine bases are larger than purine bases. C. Purine and pyrimidine bases are found in DNA and RNA. D. Thymine base is found in DNA and RNA.