
AP Biology 2nd Semester Final Exam
Authored by Josephine Wheeler
Biology
11th Grade

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35 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Genetic information is stored in and passed to subsequent generations through what molecule(s)
DNA only
RNA only
DNA and sometimes RNA
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which is NOT correct according to base pair rules?
Adenine - Thymine
Cytosine - Guanine
Adenine - Guanine
Adenine - Uracil
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Adenine and Guanine have a double ring structure, so they are called what?
Pyrimidines
Purines
Puritans
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of bond holds nitrogen bases to one another forming the "rungs" of the DNA ladder?
Covalent
Hydrogen
Ionic
Phosphodiester
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following best describes the DNA molecules produced by replication
One DNA molecule with two original strands, and a second DNA molecule with two new strands
Two DNA molecules, each containing one original strand and one new strand
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In DNA Replication, which enzyme helps synthesize new strands of DNA?
Helicase
Topoisomerase
DNA Polymerase
Ligase
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In DNA Replication, which enzyme unwinds the DNA strands?
Helicase
Topoisomerase
DNA Polymerase
Ligase
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