Which of these is most abundant in the plasma membrane?
A) phospholipids B) carbohydrates C) cholesterol D) proteins
Answer: A
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Which of the following could be a potential consequence of unchecked human population growth?
a. famine in areas that are densely populated b. drought in areas that are sparsely populated c. fewer diseases in densely populated areas d. enhanced resource availability in populated areas
Which of the following features is not shared by microtubule and microfilament molecular motors?
A) coupling ATP hydrolysis to change shape and attachment of the motor to its associated cytoskeletal filament B) retention of bound ADP and Pi products immediately after ATP hydrolysis C) cycles of ATP hydrolysis, release of ADP and Pi, and binding of new ATP as they undergo a crossbridge cycle of force production on a filament D) similar structural features that transduce changes in the motor protein shape into movement E) The motors share all these features.
When the dentist gives you a shot of anesthetic before drilling into one of your teeth, she is numbing a facial nerve, which is a:
A. cranial nerve; part of the peripheral nervous system. B. cranial nerve; part of the central nervous system. C. spinal nerve; part of the peripheral nervous system. D. spinal nerve; part of the central nervous system. E. None of the above are correct.
Which is not a greenhouse gas?
What will be an ideal response?