7. DNA and Chromosome Structure
DNA as the Genetic Material
- Multiple ChoiceHow would early cells benefit from DNA replacing RNA as the primary information storage molecule?3views
- Textbook Question
Hershey and Chase selected the bacteriophage T2 for their experiment assessing the role of DNA in heredity because T2 contains protein and DNA, but not RNA. Explain why T2 was a good choice for this experiment.
411views - Multiple ChoiceWhich experiment provided the most direct evidence that DNA is the genetic material in cells?5views
- Multiple ChoiceThe genetic material of HIV consists of _____.3views
- Multiple ChoiceRestriction enzymes create breaks in which part of a DNA molecule?4views
- Multiple Choice
The tetranucleotide hypothesis stated what?
718views4rank - Multiple Choice
The Avery, Macleod, and McCarty experiment in 1944 figured out what?
861views4rank - Multiple Choice
The Hershey/Chase experiments in 1952 use bacteriophages to study what?
803views4rank - Textbook Question
What results from the experiments of Frederick Griffith provided the strongest support for his conclusion that a transformation factor is responsible for heredity?
548views - Textbook Question
How do we know that DNA also serves as the genetic material in eukaryotes such as humans?
364views - Textbook Question
How were scientists able to determine that DNA, and not some other molecule, serves as the genetic material in bacteria and bacteriophages?
512views - Textbook Question
Explain why Avery, MacLeod, and McCarty's in vitro transformation experiment showed that DNA, but not RNA or protein, is the hereditary molecule.
856views - Textbook QuestionDiscuss the reasons proteins were generally favored over DNA as the genetic material before 1940. What was the role of the tetranucleotide hypothesis in this controversy?875views
- Textbook Question
Explain how the Hershey and Chase experiment identified DNA as the hereditary molecule.
833views - Textbook QuestionContrast the contributions made to an understanding of transformation by Griffith and by Avery and his colleagues.487views