Biology, 19.08.2019 16:30 abrito1559
10. in a series of experiments, griffith infected mice with nonvirulent r-strain bacteria and highly virulent s-strain bacteria. heat-killed s
bacteria were nonvirulent. however, the nonvirulent heat-killed s bacteria and the nonvirulent r bacteria together produced a virulent
mixture. what did this demonstrate?
a. the s-strain bacteria had not been killed completely
b. the molecules present on the outside of bacteria determine whether it's virulent or nonvirulent
c. a transforming principle in the fly bacteria allowed the nonvirulent r strain to become virulent
d. the translation of proteins, carbohydrates, lipids, and dna is important in determining bacterial virulence.
Answers: 3
Biology, 21.06.2019 16:00
How are organisms in the domain eukarya different from those in the domain archaea? o a. eukaryotes have a cell wall. o b. eukaryotes have mitochondria. o c. eukaryotes have more than one cell. o d. eukaryotes have dna. submit
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Biology, 21.06.2019 21:00
Name one similarity and one difference between the morphology of a brachiopod and a bivalve
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Biology, 22.06.2019 11:30
If a human has 23 pairs of chromosomes in every muscle cell of its body how many chromosomes will be in a human egg or sperm
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10. in a series of experiments, griffith infected mice with nonvirulent r-strain bacteria and highly...
Computers and Technology, 20.12.2019 20:31
Computers and Technology, 20.12.2019 20:31
Computers and Technology, 20.12.2019 20:31