A typical bacterial cell is approximately the same size as which of the following?

a. a protein
b. a frog egg
c. a mitochondrion
d. a plant cell


c. a mitochondrion

Biology & Microbiology

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When sequencing DNA, the "sequencing depth" describes the:

A. sequence length (in bp) determined after alignment of overlapping sequences. B. number of times a specific nucleotide has been sequenced. C. number of contiguous sequences generated within a specific gene. D. percentage of single nucleotide polymorphisms within a gene. E. average size of DNA sequence generated in preparation for pyrosequencing.

Biology & Microbiology

The major vector of Rocky Mountain spotted fever in the western United States is

A. Rickettsia rickettsi. B. Rickettsia prowazeki. C. Borrelia burgdorferi. D. Dermacentor andersoni

Biology & Microbiology

Skeletal muscles contract in response to _____

a. acetylcholine (ACh) b. dopamine c. serotonin d. endorphins

Biology & Microbiology

Which of the following groups would be placed nearest the fungi in a phylogenetic tree based on DNA sequences?

a. cyanobacteria b. animals c. amoeba d. gymnosperms e. green algae

Biology & Microbiology