What is the main difference between DNA and RNA?
AP Biology: Unit 1 Review (CED)

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Biology
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9th - 12th Grade
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Hard
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1.
FLASHCARD QUESTION
Front
Back
DNA contains deoxyribose sugar, while RNA contains ribose sugar. DNA is double-stranded, whereas RNA is single-stranded.
2.
FLASHCARD QUESTION
Front
What is the role of the carboxyl group in amino acids?
Back
The carboxyl group (-COOH) is involved in forming peptide bonds between amino acids during protein synthesis.
3.
FLASHCARD QUESTION
Front
Which macromolecules contain nitrogen?
Back
Proteins and nucleic acids (DNA and RNA) contain nitrogen.
4.
FLASHCARD QUESTION
Front
What is dehydration synthesis?
Back
Dehydration synthesis is a chemical reaction that involves the formation of a bond between monomers with the removal of a water molecule.
5.
FLASHCARD QUESTION
Front
How do phospholipids orient in a cell membrane?
Back
Phospholipids orient in a bilayer with hydrophilic (water-attracting) heads facing the exterior and hydrophobic (water-repelling) tails facing inward.
6.
FLASHCARD QUESTION
Front
What are the building blocks of proteins?
Back
Amino acids are the building blocks of proteins.
7.
FLASHCARD QUESTION
Front
What is the function of nucleic acids?
Back
Nucleic acids (DNA and RNA) store and transmit genetic information.
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