The binding and release of sodium or potassium ions are due to conformational changes in the protein.

a. true
b. false


a. true

Biology & Microbiology

You might also like to view...

Starting with a fertilized egg (zygote), a series of five cell divisions would produce an early embryo with how many cells?

A) 4 B) 8 C) 16 D) 32 E) 64

Biology & Microbiology

Nutritive tissue within angiosperm seeds.  

 Choose the LETTER of the best match: A. hypocotyl B. endosperm C. scutellum D. radicle E. epicotyl

Biology & Microbiology

You are studying the synthesis of Molecule X in prokaryotes when you make the following observations: • When Molecule X is present in the prokaryotes’ environment, synthesis does not occur. • Molecule X synthesis increases when Molecule Z is present in the cell. • Molecule Z is never found outside of prokaryotic cells. Which statement can be supported by your observations?

a. Molecule Z is a repressor b. Molecule Z is an inducer c. Molecule Z is an activator d. Molecule Z is an operon

Biology & Microbiology

A heavy load of parasites is termed a(n) ________

Fill in the blank(s) with correct word

Biology & Microbiology