Skip to content
free
K
1
2
practice
Home
Math
English
Science
Social Studies
Contact
Language
English
Español
Sign In
/
AP Courses
/
AP Biology
/
DNA and RNA Structural Differences
Grade Level
AP Biology
APB.101 DNA and RNA Structural Differences
0%
Skill Level
🔴 Hard
00:00
Progress to Next Level
25% to Medium
Easy
Medium
Hard
Mastery
100%
A molecule has a sugar-phosphate backbone, A, G, C, and T bases, and two complementary strands. Which description best fits it?
A
RNA, because it has thymine and is typically double-stranded.
B
DNA, because it has thymine, is typically double-stranded, and uses deoxyribose in its nucleotides.
C
RNA, because all nucleic acids with A and G are RNA.
D
A protein, because complementary strands are made of amino acids.
Submit Answer