The optimum pH for most bacteria is near ___.
a. 7
b. 6
c. 5
d. 9
Ans: a. 7
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The Calvin cycle uses
1.ATP and NADPH. 2.oxygen. 3.glucose. 4.light. 5.water.
Which of the following statements is FALSE
about cowbirds? a. Their host relationship is similar to cuckoos. b. They are insect-eaters. c. Females can lay thirty eggs in a season. d. Cowbird hatchlings are recognized as imposters by host parents. e. They now parasitize at least fifteen species of native North American birds
The GAL gene system in yeast is used to metabolize galactose. In the presence of galactose, the GAL genes are expressed; however, in the absence of galactose, the GAL genes are repressed. A yeast mutant is discovered that continuously expresses the GAL
genes in the presence or absence of galactose. Which GAL gene is likely mutated? A) GAL3 B) GAL4 C) GAL1 D) GAL 10 E) GAL180
The terms "dorsal" and "oral" are synonyms.
Answer the following statement true (T) or false (F)