Herpes simplex enhances the spread of AIDS
Indicate whether this statement is TRUE or FALSE.
TRUE
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Which of the following is recommended by the Standard Precautions guidelines?
A. Glove use B. Hand washing C. A face shield D. Antibiotic use E. Glove use, hand washing, AND a face shield
_______ receptors mediate the effects of neurotrophic factors.
a. Calcium/calmodulin kinase b. Tyrosine kinase c. Protein kinase A d. Protein kinase C
Matter is composed of:
A. molecules B. atoms C. mass D. energy
In a method called patch-clamping, a glass capillary can be converted into a microelectrode that measures the electrical currents across biological membranes. Which of the following is not true about the patch-clamp method?
(a) The glass capillary adheres to a "patch" of membrane through the application of suction. (b) The aperture in the glass capillary used to make a microelectrode is about 1 ?m in diameter. (c) If the experimental conditions are held constant, fluctuations in electrical currents across the patch of membrane are still observed. (d) Single-channel patch-clamp recordings have demonstrated that gated membrane channels will only open and close in response to specific stimuli. Ion Channels and Signaling in Nerve Cells