AP®︎ Biology: Topic 6.1 Practice Test
Prepare for your quiz, test, or the AP exam with focused practice questions on Topic 6.1 of AP Biology – DNA and RNA Structure.
Questions List
Topic 6.1
Question 1 Easy
This question tests the following: IST-1.L
What is the basic structure of DNA?
What You’re Being Tested On:
Explore the learning objectives taken directly from the College Board’s AP® Biology Curriculum. Ensure you’re prepared for the exact topics covered on the AP® exam, in-class tests, and quizzes, and gain confidence in your mastery of the material.
Topic 6.1: DNA and RNA Structure
Learning Objective: 6.1.A
Describe the structures involved in passing hereditary information from one generation to the next.
Essential Knowledge: 6.1.A.1
Genetic information is stored in and passed to subsequent generations through DNA molecules and, in some cases, RNA molecules. i. Prokaryotic organisms typically have circular chromosomes. ii. Eukaryotic organisms typically have multiple linear chromosomes that are comprised of DNA. These chromosomes are condensed using histones and associated proteins.
Essential Knowledge: 6.1.A.2
Prokaryotes and eukaryotes can contain plasmids, which are extra-chromosomal circular molecules of DNA.
Learning Objective: 6.1.B
Describe the characteristics of DNA that allow it to be used as hereditary material.
Essential Knowledge: 6.1.B.1
Nucleic acids exhibit specific nucleotide base pairing that is conserved through evolution. i. Purines (guanine and adenine) have a double ring structure. ii. Pyrimidines (cytosine, thymine, and uracil) have a single ring structure. iii. Purines pair with pyrimidines: adenine with thymine (or uracil in RNA) and guanine with cytosine.
