The pellicle of protozoa is most directly involved in:
a. feeding
b. information storage
c. locomotion
d. structure
e. water removal
d
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An inhibitory postsynaptic potential (IPSP) occurs in a membrane made more permeable to _____
A) potassium ions B) sodium ions C) calcium ions D) ATP E) all neurotransmitter molecules
The additive effect of one neuron sending many EPSPs to another neuron over a brief period of time is
called spatial summation.
Indicate whether the statement is true or false.Bacteriophages selectively infect bacterial cells. How might they be used as a therapeutic treatment in humans?
A. Bacteriophages can be used to genetically engineer bacterial cells making them more susceptible to drugs. B. Phages can be used to stimulate human immune cells to attack and kill bacterial cells. C. Phages can carry genes into cells which will genetically modify the host cells to prevent infection. D. Humans suffering from infections with antibiotic resistant bacteria can be treated with phages, which will infect and lyse the bacterial cells, leaving human cells unaffected.
Paraoxon is a toxic compound that disrupts the transmission of signals in the ____________________ system and can
cause headaches, blurred vision, tremors, unconsciousness, and death by ____________________ arrest. Fill in the blank(s) with the appropriate word(s).