The nicotinic ACh receptor is made up of ___________ subunits.
A) zero
B) twenty-seven
C) 140
D) five
Answer: D) five
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A biologist develops a new drug that seems to dramatically slow the onset of symptoms resulting from HIV infection
Close monitoring of HIV-infected cells reveals that the viral proteins are in the form of long polyproteins. The biologist most likely developed a _____. A) reverse transcriptase inhibitor B) CD4 inhibitor C) protease inhibitor D) polymerase inhibitor
The medically useful compounds some actinomycetes produce when forming aerial mycelia are called ________.
A. primary metabolites B. anti-metabolites C. secondary metabolites D. inhibitory metabolites
The distances between genes on a genetic map are measured in base pairs
a. True b. False Indicate whether the statement is true or false
The smartest of all invertebrates is the ____
a. octopus b. squid c. slug d. ant e. crab