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Copy of CK12 4.1- 4.3 DNA Central Dog Dogma, Genetic Material, DNA Structure and Function (2/1/2024)

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Last updated about 2 years ago
44 questions
4.1
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4.2
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4.3
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Question 1
1.

Who coined the term 'Central Dogma' in molecular biology?

Question 2
2.

What is deoxyribonucleic acid (DNA) responsible for determining?

Question 3
3.

What determines the structure and function of all cells?

Question 4
4.

What determines a protein’s structure?

Question 5
5.

Where is DNA found in eukaryotic cells?

Question 6
6.

What is the role of RNA in protein synthesis?

Question 7
7.

Which sequence correctly represents the central dogma of molecular biology?

Question 8
8.

How does RNA get from the nucleus to the cytoplasm?

Question 9
9.

For many decades, scientists believed which molecule carried genetic information?

Question 10
10.

What molecule is known to carry the 'code of life'?

Question 11
11.

What is DNA?

Question 12
12.

How is your DNA passed on to you?

Question 13
13.

What does your DNA determine?

Question 14
14.

Who made important discoveries about DNA in the 1920s?

Question 15
15.

What happened when Griffith injected mice with S-strain bacteria?

Question 16
16.

What resulted from injecting mice with heat-killed S-strain mixed with living R-strain?

Question 17
17.

Which strain of bacteria was non-virulent?

Question 18
18.

What did Griffith observe happening within the R strain?

Question 19
19.

What did Griffith name the process of the R strain becoming deadly?

Question 20
20.

What type of substance did Griffith deduce was causing the transformation?

Question 21
21.

Who led the team of scientists in the early 1940s to further study the results of Griffith's experiment?

Question 22
22.

What did Avery's team do to the S-strain bacteria?

Question 23
23.

What happened when Avery's team inactivated proteins in the S-strain bacteria?

Question 24
24.

What led Avery's team to conclude that DNA is the genetic material?

Question 25
25.

Who conducted the experiments confirming that DNA is the genetic material?

Question 26
26.

What needs to happen for a virus to reproduce?

Question 27
27.

Which molecule did viruses insert into bacteria according to Hershey and Chase’s experiments?

Question 28
28.

How did Hershey and Chase identify the molecule that viruses inserted into bacteria?

Question 29
29.

Who discovered the rules of base concentrations in DNA species?

Question 30
30.

What are the four nitrogen bases of DNA?

Question 31
31.

According to Chargaff's rules, which base concentrations match in each species?

Question 32
32.

When was the significance of Chargaff's rules revealed?

Question 33
33.

Who are credited for the discovery of DNA's double helix shape?

Question 34
34.

What technique did Rosalind Franklin and others use to study DNA’s structure?

Question 35
35.

What analogy could you use to describe the shape of DNA?

Question 36
36.

Who were the scientists whose work was not given enough credit initially?

Question 37
37.

What are the components of a nucleotide in a DNA molecule?

Question 38
38.

According to Chargaff’s rules, which base pairs with adenine?

Question 39
39.

Why does adenine not bond with guanine in a DNA molecule?

Question 40
40.

What type of bond holds together the two polynucleotide chains of DNA?

Question 41
41.

Which phase of the eukaryotic cell cycle does DNA replication occur?

Question 42
42.

Which enzyme breaks the bonds between complementary bases in DNA during replication?

Question 43
43.

What role does DNA polymerase play in DNA replication?

Question 44
44.

Why is DNA replication described as a semi-conservative process?