subject
Biology, 05.10.2019 13:00 ftbluedevil

In a series of experiments, avery treated heat-killed nonvirulent s bacteria with enzymes that degraded the proteins, dna, and rna of the s bacteria, then mixed this with nonvirulent r bacteria. s cells grew in all cases except the samples with degraded dna. what did this demonstrate?

a. protein, dna, and rna from the s bacteria are all necessary for bacterial transformation to occur.
b. dna from the s bacteria is necessary for bacterial transformation to occur.
c. rna from the s bacteria is necessary for bacterial transformation to occur.
d. protein from the s bacteria is necessary for bacterial transformation to occur.

ansver
Answers: 2

Another question on Biology

question
Biology, 21.06.2019 15:00
6. in the dna double helix, how are the two strands of dna held together? a. chemical bonds between base pairs hold the two strands of dna together. b. hydrogen bonds between the base pairs hold the two strands of dna together. c. hydrogen bonds between sugar groups and phosphate groups hold the two strands of dna together. d. chemical bonds between sugar groups and phosphate groups hold the two strands of dna together.
Answers: 1
question
Biology, 22.06.2019 08:20
Which characteristics are typical of a human population in the postindustrial stage?
Answers: 3
question
Biology, 22.06.2019 08:30
Iwanna go do something with my ideas? ?
Answers: 2
question
Biology, 22.06.2019 10:00
1. fold your hands together so your thumbs cross over ,and look at your thumbs. which thumb feels most "comfortable" on top is actually controlled by a gene. the left thumb folding over the right thumb is a domi
Answers: 3
You know the right answer?
In a series of experiments, avery treated heat-killed nonvirulent s bacteria with enzymes that degra...
Questions
question
Mathematics, 11.07.2019 03:00
question
Social Studies, 11.07.2019 03:00
question
Social Studies, 11.07.2019 03:00
question
English, 11.07.2019 03:00
Questions on the website: 13722360