In the figure above, which lane shows a very large, linear DNA fragment that was cut by one enzyme?

a. 1
b. 2
c. 3
d. 4
e. 5


B

Biology & Microbiology

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The prokaryotic transport system that involves a substrate-binding protein, a membrane-integrated transporter, and an ATP-hydrolyzing protein is

A) the ABC transport system. B) group translocation. C) symport. D) simple transport.

Biology & Microbiology

Which one of these statements about the hereditary lineage of the Y chromosome is not correct?

A. Ninety-four percent of the Y chromosome consists of sequences in which genetic linkage is complete. B. Because of complete linkage, each hereditary lineage of Y chromosomes is separate from every other lineage. C. Mutations along any given Y chromosome are often lost over time. D. Each unique combination of nucleotides along a Y chromosome constitutes a Ychromosome haplotype. E. Mutations that occur along the Y chromosome are completely linked to any past or future mutations along that chromosome.

Biology & Microbiology

Barnacles are

a. parasites. b. herbivores. c. predators. d. filter feeders. e. all of these.

Biology & Microbiology

The four nucleotides that make up DNA contain a sugar component called ________

Fill in the blank(s) with correct word

Biology & Microbiology