Biology

Biology, 27.09.2019 15:20, lexipooh5954

What part of the phage enters the bacterial cell during infection
a. dna
b. rna
c. protein coat
d. the entire phage
e. no part

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Health, 23.06.2019 04:00, jboii11

Which of the following statements describes the lysogenic cycle of lambda (λ) phage? a) after infection, the viral genes immediately turn the host cell into a lambda-producing factory, and the host cell then lyses.b) most of the prophage genes are activated by the product of a particular prophage gene.c) the phage genome replicates along with the host genome.d) the phage dna is copied and exits the cell as a phage.

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Biology, 07.10.2019 22:30, austinmiller3030

Bacteria and bacteriophages are undergoing an evolutionary battle. in particular, phages that infect salmonella enterica can use outer membrane proteins, such as ompf or tolc, for drug efflux or to attach to the bacterial surface. what would be the impact of a significant mutation of these phage proteins? choose one: a. the efflux proteins would denature, and salmonella would become susceptible to drugs and phage infection b. there would be no impact on the rate of phage infection for salmonella. c. the efflux proteins would denature, but salmonella would not become susceptible to drugs and phage infection. d. the phage may not be able to bind to salmonella's s

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Biology, 19.10.2019 03:30, smesarahmitchell

As a scientist, you seek to prove that dna is the hereditary macromolecule by replicating the hershey-chase experiment. you culture the lambda phage in heavy and light cl (cl-36 is heavy and radioactive - the most abundant is cl-35, lighter and non-radioactive). you purify the phage from their growth media and infect the e. coli, where will you detect radioactivity? select one: a. within the e. coli pellet as the dna has entered the bacterial cells. b. on the e. coli cell surface (or phage fraction), as part of the phage protein coat. c. in the supernatent (free liquid) of your test tube d. both a and b e. none of the above why is the answer none of the above? why cant the radioactivity be detected?

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What part of the phage enters the bacterial cell during infection
a. dna
b. rna
c....

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