Avery and his coworkers showed that the agent responsible for changing nonvirulent bacteria into virulent bacteria was
A. RNA.
B. DNA.
C. lipid.
D. protein.
E. polysaccharide.
Answer: B
You might also like to view...
There are three possible evolutionary relationships among a bird, bat, and dolphin. The scenario that is most likely to be correct is the one in which the derived traits (in red) would have arisen the fewest number of times
Which scenario (A, B, or C) is the one most likely to be correct?
1.A 2.B 3.CWhat is the sex chromosome composition of a person with Klinefelter syndrome?
a. XXX b. XO c. XXY d. XYY e. YY
Antibodies are classified as
a. nucleoproteins. b. immunoglobulins. c. polysaccharides. d. steroids. e. lipids.
Bacterial strain A contains a plasmid. Bacterial strain B does not. When the bacteria are incubated together in a broth culture strain B cells containing the plasmid can be isolated. Devise an experiment to determine what type of gene transfer process is
involved. What will be an ideal response?