Match the type of membrane protein with its function. Responses may be used multiple times or not at all. a. anchor b. transporter c. enzyme d. receptor

___ allows for the movement of ions across a membrane
___ attaches to another protein
___ binds signals from outside the cell
___ facilitates the movement of molecules across the membrane

What will be an ideal response?


Model Short Answer: b, a, d, b

Biology & Microbiology

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What is the effect of acetylcholinesterase inhibitors on synaptic function?

a. decreases neurotransmission in synapses that require acetylcholine b. increases the release of glutamate in synapses where acetylcholine is absent c. increases neurotransmission in synapses that require acetylcholine d. blocks the release of glutamate in synapses where acetylcholine is present

Biology & Microbiology

The sea snail, Littorina saxatilis, is found on the coast of northern Spain. The snails farther upshore are large, with heavily ridged and banded shells, and share a border with the snails farther downshore that are smaller with smooth, unbanded shells. If the upshore and downshore snails became separate species, this would be an example of speciation.

A. sympatric B. parapatric C. allopatric D. prezygotic E. postzygotic

Biology & Microbiology

Refer to the accompanying figure. The endodermis is the structure labeled as:


a. 3
b. 4
c. 5
d. 6
e. 7

Biology & Microbiology

The two groups of angiosperms are

A. mosses and club mosses. B. ginkgos and cycads. C. monocots and eudicots. D. horsetails and ferns. E. conifers and gnetophytes.

Biology & Microbiology