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Test Bank for Molecular Diagnostics, Fundamentals Methods and Clinical Applications 3rd Edition Buckingham

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Test Bank for Molecular Diagnostics, Fundamentals Methods and Clinical Applications 3rd Edition Buckingham

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TEST BANK FOR MOLECULAR
DIAGNOSTICS, FUNDAMENTALS
METHODS AND CLINICAL
APPLICATIONS 3RD EDITION
BUCKINGHAM




Copyright © 2019 by F. A. Davis Company

,Chapter 1: Nucleic Acids and Proteins



Multiple Choice


1. DNA contains deoxyribonucleotide triphosphates joined together by what type of covalent
bond?
A. Aldehyde
B. Ester
C. Phosphodiester
D. Peptide

ANS: C
OBJ: 1-2



2. Nucleotides in DNA consist of which of the following?
A. Nitrogen base, deoxyribose, and phosphate
B. Nitrogen base, ribose, and sulfur
C. Carbon base, ribose, and phosphate
D. Carbon base, glucose, and carboxyl

ANS: A
OBJ: 1-1



3. Which of the five ribose carbons of the deoxyribonucleotide are involved in the formation of
the DNA chain?
A. 1' and 5'
B. 2' and 4'
C. 3' and 4'
D. 3' and 5'




Copyright © 2019 by F. A. Davis Company

, ANS. D
OBJ: 1-23



4. In a DNA molecule, one end has a free hydroxyl group, and one end has a free
A. phosphate group.
B. hydroxyl group.
C. amino group.
D. carboxyl group.

ANS: A
OBJ: 1-1



5. What type of bonds spontaneously form between two complementary strands of DNA?
A. Hydrogen bonds
B. Covalent bonds
C. Phosphodiester bonds
D. Polar covalent bonds

ANS: C
OBJ: 1-2



6. In a double-stranded DNA molecule, base pairing between strands occurs between
A. a purine and a purine.
B. a pyrimidine and a pyrimidine.
C. a purine and a pyrimidine.
D. all types of nucleotide bases.

ANS: C
OBJ: 1-1



7. Which of the following is a purine?
A. Thymine
B. Cytosine
C. Adenine
D. Alanine

ANS: C


Copyright © 2019 by F. A. Davis Company

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