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Short Answer Quiz
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1

Give a definition for molecular genetics.
2

What four characteristics are essential for genetic material?
3

What process of transfer of genetic information was observed by Griffith?
4

The chromosomal theory of inheritance was easily accepted, and the chemical composition of chromosomes was determined, but this did not provide researchers with information about the nature of the genetic material. Why?
5

How did Hershey and Chase's results support the idea that DNA is the genetic material?
6

Why were 35S and 32P used to differentiate between protein and DNA?
7

One explanation for the amount of 32P in the solution (35%) is that not all the phage were able to infect bacterial cells. What would be likely to happen if a longer incubation period were allowed for infection?
8

List the four levels of complexity of DNA structure.
9

Name the five nitrogenous bases found in nucleic acids.
10

Describe deoxyguanosine monophosphate.
11

Describe several influences on Watson and Crick in their quest to elucidate the structure of DNA.
12

You identify a new species of gecko on a Spring Break trip to Cancun. You decide to check and see if Chargraff's rules govern the composition of the DNA in this gecko. You find that it contains 18% adenine, but the other three bands are indecipherable. How much each of thymine, guanine, and cytosine would you expect to find?
13

Describe the concept of base stacking.
14

What are the key differences between A, B, and Z DNA?
15

List three possible secondary structures for RNA.
16

List key differences between DNA and RNA structure.
17

What factors contribute to RNA tertiary structure?





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