Which characteristic regarding microfilaments is incorrect?
a. They serve as mechanical stiffeners for microvilli.
b. They are composed of actin subunits.
c. They are the smallest elements of the cytoskeleton.
d. They are involved in cell locomotion.
e. They form mitotic spindles.
E
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When compared to the shoulder, the hip joint has
A. a deeper bony socket and stronger supporting ligaments. B. a shallower bony socket but stronger supporting ligaments. C. a shallower bony socket and weaker supporting ligaments. D. a deeper bony socket but weaker supporting ligaments.
Which of the following is not a function of the control center within a feedback mechanism?
A. Detects a change in the value of a variable B. Controls effectors C. Receives and processes information D. Establishes a set point
It's been 5 hours since you had breakfast and now you're thinking about trying the new Mexican lunch place that just opened up across the street. The more you think about it, the hungrier you get. Your increased hunger is the result of the ________ that
your empty stomach is releasing into your bloodstream. A) cholecystokinin (CCK) B) leptin C) ghrelin D) pepsin E) insulin
If you cup your hands together as to hold water, which of the following actions are you performing?
A. Circumducting your wrists B. Abducting your fingers C. Pronating your forearm D. Adducting your fingers E. Opposing your thumbs