Some ions move across a membrane using ion channel proteins that are open all the time. Others use _____ ion channel proteins which have the ability to open and close

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


gated

Biology & Microbiology

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In the dark, the Na+ channels in the outer segments of rod cells are

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In mushrooms, the sexual spores are produced in a(n) ________.

A. sporangiophore B. sporophyte C. basidium D. ascus

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To determine the genotype of an individual who expresses a dominant trait, you would cross that individual with an individual who ______.

A. expresses the dominant trait B. is homozygous dominant for that trait C. is homozygous recessive for that trait D. is heterozygous for that trait

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The most general and largest category in Linnaeus's system is

a. the phylum b. the kingdom c. the genus d. the domain

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