Integrins couple the matrix outside a cell to the cytoskeleton inside It.

a. true
b. false


Ans: a. true

Biology & Microbiology

You might also like to view...

Neurotransmitters are stored in vesicles at the nerve terminal. Assuming a neurotransmitter is a protein, where was it synthesized?

A. the cytoplasm B. the rough endoplasmic reticulum C. the Golgi apparatus D. the lysosome

Biology & Microbiology

What property defines most ligands for intracellular receptors?

A. They are lipid-soluble B. They are hydrophilic C. They are molecules that can perform significant hydrogen bonding interactions with water D. They are large molecules

Biology & Microbiology

A long-term study on guppies illustrates the effect of predation on life history traits. In this study, what occurred when guppies from streams with cichlids (prey on larger guppies) were moved to streams with killifish (prey on smaller guppies)?

a. Guppies became larger in one generation. b. Guppies became smaller in one generation. c. Guppies became larger over several generations. d. Guppies became smaller over several generations. e. Guppies did not change size.

Biology & Microbiology

The exact path that led to the evolution of modern cells and the organic molecules contained in these cells to support life is not known

The best guess is that some sort of self-replicating organic molecule formed along mudflats and most likely resembled A) single-stranded DNA. B) single-stranded RNA. C) small amino acids such as lysine and glycine. D) double-stranded DNA. E) ATP.

Biology & Microbiology