DNA Structure
Flashcard
•
Science
•
9th - 10th Grade
•
Practice Problem
•
Hard
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18 questions
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1.
FLASHCARD QUESTION
Front
Which of the following best describes a DNA molecule? Options: double helix, contains ribose, made of amino acids, contains Uracil
Back
double helix
2.
FLASHCARD QUESTION
Front
Which 2 molecules form the sides (backbone) of the DNA ladder? Options: deoxyribose sugar and adenine, deoxyribose sugar and a hydrogen bond, deoxyribose sugar and the nucleus, deoxyribose sugar and phosphate
Back
deoxyribose sugar and phosphate
3.
FLASHCARD QUESTION
Front
Nitrogenous bases are joined by which type of bond? Options: polar bonds, ionic bonds, covalent bonds, hydrogen bonds
Back
hydrogen bonds
4.
FLASHCARD QUESTION
Front
What does DNA stand for?
Back
Deoxyribonucleic acid
5.
FLASHCARD QUESTION
Front
What are the three components of a nucleotide?
Back
sugar, phosphate, nitrogen base
6.
FLASHCARD QUESTION
Front
Name this structure: double helix, nucelotide, twisted ladder, hydrogen bond
Back
nucelotide
7.
FLASHCARD QUESTION
Front
Cytosine always pairs with
Back
Guanine
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