Which of the following protein-functional categories is mismatched?
A. hexokinase-metabolic enzyme
B. tubulin-structural protein
C. insulin-motor protein
D. hemoglobin-transport protein
E. antibodies-protective protein
C. insulin-motor protein
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A gene for sweat gland production is found on the X chromosome. If a man who lacks sweat glands marries a woman who has normal sweat glands, what will be the phenotype of their children?
A. All of the boys will lack sweat glands. B. All of the girls will lack sweat glands. C. The girls will have sweat glands in some areas, but lack sweat glands in others. D. All of the boys will have sweat glands. E. All the boys will have sweat glands, and the girls will have sweat glands in some areas but not others.
Which organ in the human body has the largest surface?
a. heart b. skin c. lungs d. liver e. stomach
Which of the following is NOT a function of the nasal cavities?
a. filter dust out of the incoming air b. detect odors c. warm the air d. oxygenate the blood e. moisturize the air
Which one of the following taxa (subgroups used in classification) applies to humans?
A) Mammals B) Protista C) Invertebrates D) Prokarya E) Bacteria