Plasmids CANNOT ____

a. self-replicate
b. be transferred between bacteria.
c. encode proteins.
d. be produced by eukaryotes.
e. carry genes separate from the bacterial chromosome.


ANSWER: d

Biology & Microbiology

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You just discovered a new virus. This virus infects heart muscle, where it causes inflammation. This virus has a very high mutation rate. Which of the following is the best strategy for finding a treatment for this virus?

A) Develop a vaccine from living viruses. B) Identify the receptor this virus uses and develop an enzyme that blocks the receptor. C) Encourage infected individuals to engage in heart-strengthening exercise. D) Develop a drug that blocks the host's ribosomes, which the virus uses to produce its proteins.

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Plasmids often encode for proteins

A) involved in translation. B) required for cellular growth. C) that confer resistance to antibiotics. D) involved in DNA replication.

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The organelle responsible for harvesting light as an energy source for photosynthesis is the

A. kinetoplast. B. mitochondrion. C. centriole. D. chloroplast.

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The seriousness of Coccidioides infection can be attributed to the formation and rupture of spherules.

Answer the following statement true (T) or false (F)

Biology & Microbiology