Sir Alexander Flemming
A) coined the term chemotherapy
B) discovered salvarsan in 1910
C) discovered the antibiotic penicillin
D) accomplished two of the above.
Ans: C) discovered the antibiotic penicillin
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Before Mendel, most people would have predicted that a cross of a red rose with a yellow rose would produce ____
a. all red roses b. all yellow roses c. all orange roses d. about half yellow roses and half red roses e. about three-fourths red roses and one-fourth yellow roses
The rumen of the first stomach of ruminants serves as a fermentation chamber in which bacteria and protozoa degrade
A. fats. B. glucose. C. protein. D. starch. E. cellulose.
Most of the protein eaten by the mother during the third trimester of pregnancy is used for fetal brain and
____________________ system growth and development Fill in the blank(s) with the appropriate word(s).
You have a substance and begin a set of experiments in which you break it down into other substances through chemical reactions. After a few successive reactions, you discover a set of products that can't be broken down further, no matter what type of
chemical reaction you attempt. These substances are: A) elements. B) neutrons. C) isotopes. D) protons. E) electrons.