Biology, 12.09.2019 05:30 deepspy599otchpd
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: 2
Biology, 21.06.2019 18:30, bossboybaker
Which of the following is an example of a tissue on the digestive system a. the stomach b. smooth muscle that lines the stomach c. nerve cells in the stomach d. enzyme molecules in the stomach
Answers: 1
Biology, 22.06.2019 03:00, cocodemain
How did the discovery of the rhesus factor affect society? o more patients died from having a transfusion with the wrong rhesus factor 0 new treatments during pregnancy could prevent harm to the developing child. o less donated blood could be used in the treatment of patients. the number of blood types was reduced by half
Answers: 2
Biology, 22.06.2019 04:50, kaylallangari2145
How are proteins and nucleic acids related? they both provide energy. they both carry genetic information. the structure of proteins is determined by nucleic acids. the subunits of nucleic acids are also the subunits of proteins.
Answers: 3
Biology, 22.06.2019 06:00, Obeilskzexal
What element is able to combine with itself and hydrogen to form large molecules ?
Answers: 1
10. in a series of experiments, griffith infected mice with nonvirulent r-strain bacteria and highly...
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