Which of the following is likely a symptom of exposure to the venom latrotoxin?
a. malfunction of sodium–potassium pumps
b. paralysis
c. constant muscular contractions
d. continuous action potentials along axons
C
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Plants generally must use which of the following methods of phosphorus uptake?
A. nonenergy transport B. transport control by soil moisture C. passive uptake D. ATP proton cotransport E. None of these are true
In humans, where is the tympanic membrane?
a. in the outer ear, adjacent to the pinna b. deep within the middle ear c. between the outer ear and the middle ear's cavity d. adjacent to the stapes e. between the middle ear and inner ear
If a pure-breeding long-tail cat (LL) is crossed with a
pure-breeding cat with no tail (rumpy, ll), and a cat with a short tail (stumpy) is produced, the simplest explanation is a. a mutation. b. an X-linked gene. c. an incompletely dominant gene. d. a lethal gene. e. chromosomal aberration.
Mannitol salt agar is selective for which bacterial genus?
A. Neisseria B. Escherichia C. Staphylococcus D. Salmonella E. Streptococcus