Where do you predict that the highest density of mechanoreceptors in the skin would be located?
A. in the hands and face
B. at the joints of the limbs
C. on the dorsal side of the body
D. on the soles of the feet
A. in the hands and face
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Activators and inhibitors that bind to enzymes at positions other than the active site of the enzyme bind to a(n) ____ site on the enzyme
Fill in the blank with the appropriate word.
Incubation conditions for anaerobic cultures include:
a. 30°C to 35°C. b. incubation for 48 hours before exposing the culture to air. c. incubation for at least 3 days before dis-carding. d. aerobic incubation of the broth medium with the cap loose.
The letter "D" in the above figure represents
the a. style. b. ovary. c. stigma. d. anther. e. filament.
Conjugation in most ciliates involves a series of steps that leads to increased genetic diversity. Which one of the following choices is not one of those steps?
A. sexual reproduction B. meiosis of a haploid nucleus C. mitosis of a haploid nucleus D. mitosis of a diploid nucleus E. meiosis of a diploid nucleus