Gated channels are especially important in regulating the transport of ________ across a plasma membrane
A) glucose
B) water
C) ions
D) small uncharged molecules
E) nucleic acids
C
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What is the function of normal biota of the respiratory tract?
A. Provides antibodies B. Microbial antagonism C. Competes with pathogens for resources and space D. Both [competes with pathogens for resources and space] and [microbial antagonism] are correct. E. All of these three functions are correct.
The part of the male reproductive system where sperm mature is known as the ____
a. epididymis b. bulbourethral gland c. testis d. seminal vesicle e. ejaculatory duct
In general, the organization of genes in bacteria is different from that in eukaryotes. In E
coli, approximately 27 percent of all genes are organized into contiguous, functionally related units containing multiple genes under coordinate control that are transcribed as a single unit. Such contiguous gene families are called ________. A) operons B) pseudogenes C) contigs D) proteomes E) transcriptomes
All of the following are tests used to identify Helicobacter pylori EXCEPT:
A) polymerase chain reaction B) urease C) enzyme immunoassay D) DNase