A controlled experiment is one that _____
A) proceeds slowly enough that a scientist can make careful records of the results
B) tests experimental and control groups in parallel
C) is repeated many times to make sure the results are accurate
D) controls all variables
E) is supervised by an experienced scientist
Answer: B
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Which of the following is not associated with the basal lamina?
A) serves as a structural support B) allows for movement of some small molecules C) can influence cell migrations in certain areas of the body D) contains collagen type IV, proteoglycans, laminins, and entactin E) contains the most abundant supply of fibronectins.
Which of the following is a polyp?
a. sea anemone b. jellyfish c. earthworm d. clam e. more than one of these
What substance accumulates in the blood of people with galactosemia?
A. Galactose B. Glucose C. Lactose D. Galactose-1-phosphate E. UDP galactose
Mechanoreceptors are not evenly spaced on your body. What is an advantage of having mechanoreceptors located closer together?
A) allows for less sensitivity to potentially harmful stimuli B) allows for a greater sensitivity to changes in temperature C) allows for a greater sensitivity to potentially harmful stimuli D) allows for less sensitivity to changes in temperature