In pea plants, Y confers yellow peas, and y confers green peas. If you cross two heterozygous Yy pea plants, what fraction of the offspring will be yellow? Select one:
a. 0%
b. 100%
c. 25%
d. 50%
e. 75%
e. 75%
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During every energy transformation, it can be said that
a. the entropy of the universe increases. b. the entropy of the universe decreases. c. there is an increase in the free energy of the universe. d. there is a change in the total energy of the universe. e. the system becomes more organized.
Which organism causes a disease known as rabbit fever?
a) Francisella tularensis b) Brucella melitensis c) Bartonella henselae d) Yersinia pestis
Sulfanilamide is active against those bacteria that
A. Are commonly found in polluted water B. Synthesize folic acid C. Induce allergic reaction D. are actively synthesizing LPS E. Form granular lesions in the body
The two molecules that alternate to form the backbone of a polynucleotide chain are:a
adenine and thymine. b. cytosine and guanine. c. sugar and phosphate. d. base and sugar. e. base and phosphate