Which of the following is not used by animals as a guide for navigation?
a. gravity
b. odors
c. magnetic fields
d. sun
e. stars
A
Biology & Microbiology
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The middle layer of the skin
(a) is called the dermis. (b) is primarily connective tissue. (c) contains collagen fibers. (d) is all of the above.
Biology & Microbiology
The first identified case in an outbreak is called the
A. starter case. B. traceable case. C. primary case. D. index case.
Biology & Microbiology
What is the major difference between substrate-level phosphorylation and oxidative phosphorylation? What will be an ideal response?
Biology & Microbiology
If the sequence of bases in mRNA is U, C, A, the sequence of bases in DNA is
A. A, G, and U. B. A, G, and T. C. A, C, and A. D. T, G, and U.
Biology & Microbiology