The gut is lined with epithelial cells with ____________________ that connect the plasma membranes of adjacent cells.

Fill in the blank(s) with the appropriate word(s).


tight junctions

Biology & Microbiology

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Rarely, a chromosome’s structure becomes altered

when part of it undergoes __________, __________, __________, or __________. Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology

Which federal agency oversees, regulates, and monitors the safety of biotech and pharmaceutical products and medical devices during consumer use?

A) National Institutes of Health B) U.S. Department of Agriculture C) Environmental Protection Agency D) Food and Drug Administration E) National Science Foundation

Biology & Microbiology

How would you classify an organism that consumes and digests both plant and animal sources of nutrients?

A) Herbivore B) Omnivore C) Carnivore D) Ruminant

Biology & Microbiology

The first cell seen by Robert Hooke using a microscope was a

a. skin cell. b. cork cell. c. blood cell. d. root tip cell. e. sperm cell.

Biology & Microbiology