Which number identifies a region near the promoter that increases the rate of transcription?
a. 2
b. 3
c. 4
d. 5
e. 6
A
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Which of the following statements about photorespiration is INCORRECT?
A. Photorespiration tends to occur under dry and hot conditions. B. It utilizes oxygen to produce a 3-carbon sugar precursor. C. It liberates CO2. D. It occurs in C3 plants. E. It utilizes the enzyme PEP carboxylase rather than Rubisco to produce 3-phosphoglycerate.
DNA profiling is helpful in
A) curing cancer. B) analyzing food. C) treating male infertility. D) preventing male pattern baldness.
Allopatric speciation typically occurs in two stages. The first stage is ____ of two populations and the second stage is
____.
a. geographic separation; reproductive isolation b. natural selection; geographic separation
c. mutation; reproductive isolation d. reproductive isolation; geographic separation e. genetic drift; reproductive isolation
Trichomonas vaginalis is a protozoan that feeds on white blood cells and bacteria living on the cells lining the female human vagina, thereby creating a common sexually transmitted disease often known as "trich
" The feeding mechanism of this protozoan makes it a ________. A) parasite B) autotroph C) producer D) mixotroph