The smallest blood vessels are __________
a. capillaries
b. arteries
c. veins
d. both arteries and veins
A
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What helical forms are adopted by double-stranded RNA?
A. There is evidence for B-form RNA in viruses. B. There is no evidence that A-form RNA occurs in cells. C. The A form is the only form found for double-stranded RNA in cells and in viruses. D. There is evidence that Z-form RNA occurs in cells under certain conditions. E. The A form occurs only in the laboratory.
People often use the term "theory" in a variety of ways, but to a scientist, a theory has a specific meaning. Briefly describe the important features of a scientifically based theory
What will be an ideal response?
The Z line consists of parts of actin filaments on two adjacent sarcomeres
____________________ Indicate whether the statement is true or false.
What feature/s is/are shared by your skin, your lungs and your gut?
A. All are continuous with the outside of the body. B. All are lined by epithelial cells. C. A and B D. Neither A nor B