________ will only cross a plasma membrane using facilitated diffusion

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


glucose

Biology & Microbiology

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When a plant has a hypersensitive response, production of ____ triggers effects such as the expression of PR proteins

a. oligosaccharins b. salicylic acid c. ethylene d. cytokinin e. brassinosteroids

Biology & Microbiology

A small group of mice are released on an island without mice but with abundant food for mice and no predators. Initially, the growth of the mouse population will be limited mainly by what?  

A.  the carrying capacity B.  the biotic potential C.  only density-dependent factors D.  only density-independent factors

Biology & Microbiology

Chromosomes are duplicated during what portion of the cell cycle?

A) M B) G2 C) S D) G1 E) D

Biology & Microbiology

IPSP is a process of inhibiting postsynaptic neuron by (i) ___________ of the membrane that is accompanied by (ii) ___ influx.

a) (i) depolarization, (ii) Na+ b) (i) hyperpolarization, (ii) Na+ c) (i) depolarization, (ii) Cl- d) (i) hyperpolarization, (ii) Cl-

Biology & Microbiology