Which of these statements is TRUE about plasmids?

a. plasmids often contain genes that give bacteria resistance to antibiotics
b. plasmids can be passed from one bacteriuim to another by way of pili in a process called conjugation
c. plasmids are usually circular pieces of DNA
d. all of the above


Ans: d. all of the above

Biology & Microbiology

You might also like to view...

What part of Darwin's theory was incomplete due to a lack of knowledge at the time of publication? How does the

synthetic theory of evolution explain this? What will be an ideal response?

Biology & Microbiology

The common law system is:

a) based on tradition, precedent, and custom b) open to giving judges the power only to apply the law c) not as flexible as other systems d) based on a detailed set of laws organized into codes

Biology & Microbiology

Consider a redox reaction between molecules A and B. Molecule A has a redox potential of –100 mV and molecule B has a redox potential of +100 mV

For the transfer of electrons from A to B, is the ?G° positive or negative or zero? Under what conditions will the reverse reaction, transfer of electrons from B to A, occur?

Biology & Microbiology

Why might a phylogeny based only on molecular data show a different pattern of relationships than a phylogeny of the same taxa that is based only on morphological traits?

What will be an ideal response?

Biology & Microbiology