1) Does the phage here mean a virus? Does a phage always mean a virus in any context?
2) Followed by Q(1), does a bacterium use a virus as the 'vector' to transfer genetic information to another bacterium?
3) Followed by Q(1) and (2), is the vector a virus or a bacterium? In any context, is a vector always a virus?
An overall question; without a virus, can a bacterium undergo genetic recombination?
horbowiec.7527 wrote:This is regarding BIOLOGY Chapter 2 Worked solution for Q14:
The explanation mentions we need 2 trials (which is what answer choices are giving) but then further explanation suggests 4 trials:
2 in which the phage DNA is damaged
1 trial with no damage to bacterial DNA
1 trial with damage to bacterial DNA
I think I am reading it wrong...
Just to confirm Answer choice A is correct because to calculate relative magnitude of bacteria-mediated phage repair we need control group where bacteria was not irradiated (Trial III) & and experimental group were bacteria was irradiated (Trial IV) & in both of those trials the number for phage irradiation which is a variable should be kept the same?
Return to Masters Series GAMSAT Section 3 Biology
Users browsing this forum: No registered users and 1 guest