In peas, Mendel found that tall plants and yellow peas are dominant. The phenotype for a pea plant
with the genotype TtYy would be:
a. heterozygous.
b. Ty.
c. short with yellow peas.
d. tall with green peas.
e. tall with yellow peas.
E
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Which of the events listed below occurs in the light reactions of photosynthesis?
A) NADP is produced. B) NADPH is reduced to NADP+. C) Carbon dioxide is incorporated into PGA. D) ATP is phosphorylated to yield ADP. E) Light is absorbed and funneled to reaction-center chlorophyll a.
Identify the structure indicated by #4:
A. uterus B. cervix C. vagina D. ovary E. fallopian tube or oviduct
The energy captured by photophosphorylation is used to produce glucose
A) through the Calvin-Benson cycle. B) through the Krebs cycle. C) by cyclic phosphorylation. D) through the pentose-phosphate pathway. E) by beta-oxidation.
Watson and Crick developed a model of DNA in which the two strands twist into the shape of a ________.
A. circle B. helix C. double pleated sheet D. double helix