A hypothesis
1.is a tentative explanation for an observation that can be tested by further investigation.
2.is never tested by an experiment.
3.is never used by field biologists.
4.is the same as a theory.
1
Biology & Microbiology
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________ , also known as "jumping genes," are examples of mobile DNA elements.
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
The first evidence of a connection between genes and metabolism came from studies of alkaptonuria
conducted by ____.
a. Beadle and Tatum b. Griffith c. Watson and Crick d. Garrod e. Nirenberg and Leder
Biology & Microbiology
Olfaction is another name for the sense of
A. body position. B. smell. C. hearing. D. pain. E. equilibrium.
Biology & Microbiology
Which country has the largest ecological footprint?
a) Zambia b) China c) United States d) England
Biology & Microbiology