Biochem Module 6

Biochem Module 6
Study online at https://quizlet.com/_9uxk78

1. In DNA, adenine always pairs with ________. - Thymine

- Thymine
- Guanine
- Uracil
- Cytosine

2. DNA is built from which of the following? - Nucleotide

- Nucleosides
- Genes
- Purines
- Nucleotide
- Codons

3. The double helix of DNA is stabilized mainly by - Hydrogen bonds
__________.

- Ionic bonds
- Covalent bonds
- Ion-dipole bonds
- Hydrogen bonds
- Hydrogen covalent bonds

4. Which of the following pentose sugars is a constituent - 2-deoxyribose
of DNA?

- Xylose
- Ribitol
- 2-deoxyribose
- Arabinose
- Ribose


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, Biochem Module 6
Study online at https://quizlet.com/_9uxk78

5. Pyrimidines have ________ ring(s), (each) containing - 1; 2; 2; 2
______ nitrogen(s), whereas purines have ________
ring(s), (each) containing ______ nitrogen(s).

- 1; 1; 1; 1
- 1; 2; 2; 2
- 2; 2; 1; 2
- 2; 1; 1; 2
- 2; 2; 1; 1

6. Identify the base guanine from among the following 5 NH in rings with a double
structures. bonded O

7. Which of the following nucleic acids is responsible for - Ribonucleic acid
using the encoded genetic information to produce of
proteins found in living organisms?

- Peptide nucleic acid
- Ribonucleic acid
- Ribitol nucleic acid
- Deoxyribonucleic acid
- Glycerol nucleic acid

8. Identify the complementary bases from the following. - Adenine- Thymine

- Adenine-Cytosine
- Adenine- Thymine
- Guanine-Thymine
- Guanine-Adenine
- Cytosine-Uracil

9. How many hydrogen bonds are made between G and - 3
its complementary nucleotide?

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