Trichomonas vaginalis is an unusual eukaryote in that it
A. has chloroplasts.
B. lacks mitochondria.
C. has flagella.
D. lacks a nuclear membrane.
B.
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If you are seeking to maintain a healthy weight, should you be concerned about carbohydrate, fat or protein intake? What will be an ideal response?
Treadmilling can occur:
a. Only for the microtubule b. In a test tube for actin filaments and microtubules c. Bit is overridden by dynamic instability d. Only when GTP is hydrolyzed to GDP e. When the alpha and beta subunits bind to GDP
Compared to soils of other ecosystems, desert soils are characterized as having:a
high amounts of organic material and low mineral content. b. low amounts of organic material and low mineral content. c. high amounts of organic material and high mineral content. d. low amounts of organic material and high mineral content. e. moderate levels of both organic material and minerals.
The term specific activity differs from the term activity in that specific activity:
A) is measured only under optimal conditions. B) is the activity (enzyme units) in a milligram of protein. C) is the activity (enzyme units) of a specific protein. D) refers only to a purified protein. E) refers to proteins other than enzymes.