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

Last updated almost 2 years ago
44 questions
4.1
1

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

1

What is deoxyribonucleic acid (DNA) responsible for determining?

1

What determines the structure and function of all cells?

1

What determines a protein’s structure?

1

Where is DNA found in eukaryotic cells?

1

What is the role of RNA in protein synthesis?

1

Which sequence correctly represents the central dogma of molecular biology?

1

How does RNA get from the nucleus to the cytoplasm?

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4.2
1

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

1

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

1

What is DNA?

1

How is your DNA passed on to you?

1

What does your DNA determine?

1

Who made important discoveries about DNA in the 1920s?

1

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

1

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

1

Which strain of bacteria was non-virulent?

1

What did Griffith observe happening within the R strain?

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

What needs to happen for a virus to reproduce?

1

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

1

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

4.3
1

Who discovered the rules of base concentrations in DNA species?

1

What are the four nitrogen bases of DNA?

1

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

1

When was the significance of Chargaff's rules revealed?

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

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

1

What role does DNA polymerase play in DNA replication?

1

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