What type of channel opens in response to changes in ionic charge across a membrane?
a. an electric-gated channel
b. a charge-gated channel
c. a ligand-gated channel
d. a voltage-gated channel
Ans: d. a voltage-gated channel
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Legionellosis, caused by the bacterial respiratory pathogen Legionella pneumophila, has decreased in recent years due to advances in wastewater treatment procedures
Indicate whether the statement is true or false.
The germ layers are formed in which stage?
a. cleavage b. fetus c. gastrula d. zygote e. blastula
A chromosome’s gene sequence that was ABCDEFG
before damage and ABFEDCG after is an example of a. inversion. b. deletion. c. duplication. d. translocation. e. aneuploidy.
The power used by most bacterial flagellar motors is produced by ________.
A. ATP hydrolysis B. synthesis of glucose C. proton motive force (PMF) D. All of the choices are correct.