The binding and release of sodium or potassium ions are due to conformational changes in the protein.
a. true
b. false
a. true
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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
Nutritive tissue within angiosperm seeds.
Choose the LETTER of the best match: A. hypocotyl B. endosperm C. scutellum D. radicle E. epicotyl
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
A heavy load of parasites is termed a(n) ________
Fill in the blank(s) with correct word