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Semester 1 Final

Authored by Michael Henry

Biology

9th - 12th Grade

Used 29+ times

Semester 1 Final
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40 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In the Hershey Chase Experiment, DNA was labeled with ____, and bacteriophage protein was labeled with _____.

radioactive phosphorous, radioactive sulfur

radioactive sulfur, radioactive phosphorous

codons, anticodons

DNA Polymerase, RNA polymerase

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

In the ladder analogy of the DNA molecule, the "rungs" of the ladder are:

Sugars

Phosphates

paired nitrogenous bases

joined sugar and phosphate

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Which of the following best describes the arrangement of the sides of the DNA molecule?

Twisted

Antiparallel

bonded

alternating

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

If a DNA molecule is found to be composed of 40% thymine, what percentage of guanine would be expected.

10%

20%

40%

80%

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

The enzymes that break hydrogen bonds and unwind DNA are:

Primers

Forks

Helicases

Polymerases

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

DNA replication results in:

2 completely new DNA molecules

2 DNA molecules that each contain a strand of the original

1 new DNA molecule, 1 old molecule is conserved

1 new molecule of RNA

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

During replication, what enzyme adds complimentary bases?

Helicase

Synthase

Replicase

Polymerase

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