In the 1940s Avery, MacLeod, and McCarty extended Griffith's transformation experiment. Which of the following was determined to be the genetic material that was transformed?
A: DNA
B: enzymes
C: polysaccharides
D: protein
A: DNA
B: enzymes
C: polysaccharides
D: protein
举一反三
- Which of the following questions about molecular inheritance was not answered by Avery, McCarty and MacLeod's extension of Griffith's transformation experiment? A: Can proteins act as the molecular basis of inheritance? B: Is the molecular basis of inheritance a nucleic acid? C: Can RNA transmit genetic information from one generation to the next? D: Can lipids store genetic information and transmit it from one generation to the next?
- The experiments by Oswald T. Avery, Colin MacLeod, and Maclyn McCarty provided compelling evidence that RNA was the genetic material.
- Which of the following is not tool of genetic engineering? A: Vectors B: Enzymes C: Foreign DNA D: GMO
- The genetic material of a bacteria is located in the molecule A: RNA B: DNA C: protein D: lipid
- 证明DNA是遗传信息携带者的科学家是: A: Meselson和Stahl B: Watson和Crick C: Avery、MacLeod和McCarty D: Berg和Cohen