Structure & DNA Replication Quiz
Authored by Kimberley Harper
Biology
9th Grade
Used 370+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the long name for DNA?
deoxynucleic acid
deoxyribonucleic acid
denatured ribonucleic acid
deoxyribonuclear acid
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following correctly describes the structure of DNA?
Single-stranded helix with uracil
Double helix with adenine pairing with thymine
Triple helix with random base pairing
Single strand with random nucleotides
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What forms the backbone of DNA?
Nitrogenous bases
Hydrogen bonds
Sugar molecules
Sugar-phosphate groups
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What holds complementary bases together in DNA?
Phosphodiester bonds
Hydrogen bonds
Covalent bonds
Ionic bonds
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which best describes the antiparallel nature of DNA?
Strands run in opposite directions
Bases pair randomly
Strands are parallel
Bases are identical
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the structure of RNA?
Double-stranded helix
Triple-stranded molecule
Single-stranded molecule
Circular molecule
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If one strand of a DNA molecule contains the letters ATTCG, what would be the letters in the complementary strand?
ATTCG
TAAGC
CGGTA
UAAGC
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