Three-quarters of the substantial amount of energy consumed by the brain is used to run a single molecular machine that maintains the resting potential of neurons. What is this machine called?
A. Voltage-gated sodium channel
B. K+ leak channel
C. Sodium-potassium pump
D. Voltage-gated calcium channel
E. Acetylcholine receptor
Answer: C
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Match the correct case study in conservation biology with its animal.
A. fruit bats—introduction of new species B. prairie chickens—loss of genetic diversity C. songbirds—introduction of new species D. whales—pollution E. Lake Victoria cichlids—loss of habitat
The regulation of protein function is called ______
A. posttranslational regulation B. transcriptional regulation C. translational regulation D. posttranscriptional regulation
What is a boycott?
A) A command, directive, or order. B) A domestic penalty applied by one country on another for a variety of reasons. C) A call to pressure a company by not buying its products and services. D) An authoritative order having the force of law.
Viral capsids are composed of subunits called (capsomeres/nucleocapsids/prions).
Fill in the blank(s) with the appropriate word(s).