Question 1

What was learned from the Griffith experiment?

Accepted Answer

Genes can be transferred from dead bacteria to living ones.

Answer

How to produce a vaccine.

Answer

The purpose of the sticky bacterial capsule.

Answer

The danger of a biofilm.

Question 2

What did we learn from the Hershey Chase Experiment?

Accepted Answer

Genes are made from DNA, not protein

Answer

How a blender and centrifuge can manipulate bacteria.

Answer

How to use radioactivity to trace infection.

Answer

The difference between the lytic and lysogenic viral lifecyles.

Question 3

What functional group is represented by the yellow circles?

Accepted Answer

Phosphates

Answer

Nucleotides

Answer

Bases

Answer

Sugars (deoxyribose)

Question 4

A DNA sample has 32% Adenines.  What % are the Guanines?

Accepted Answer

18%

Answer

64%

Answer

32%

Answer

36%

Question 5

What term describes how the backbone sugars have opposite orientation when comparing 2 sides of a DNA molecule?

Accepted Answer

Antiparallel

Answer

In vitro

Answer

Hydrogen bonding

Answer

Covalent bonding

Question 6

The green enzyme's name is helicase, what is its job?

Accepted Answer

To untwist the DNA molecule

Answer

To break covalent bonds

Answer

To build new DNA

Answer

To hold the DNA molecule open

Question 7

DNA polymerase adds new nucleotides on the...

Accepted Answer

3' end

Answer

5' end

Answer

whatever end is open

Question 8

Primase's job is to

Accepted Answer

Build an RNA primer

Answer

unwind the DNA

Answer

Prime the helicase

Answer

Prime the polymerase

Question 9

Ligase's job is to

Accepted Answer

Connect Okazaki fragments with a covalent bond

Answer

Build a primer

Answer

Rewind strand.

Answer

Seal together primers

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