Which part of the brain detects thirst and produces antidiuretic hormone?
A. hypothalamus
B. cerebellum
C. corpus callosum
D. cerebrum
Answer: A
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In Drosophila melanogaster, the allele for long wings is dominant over the allele for vestigial wings, and the allele for
a gray body is dominant over the allele for a black body. A testcross was done to check for genetic linkage between the genes for these traits, with the following results for the offspring:410 flies with long wings and a gray body 105 flies with long wings and a black body 390 flies with vestigial wings and a black body 95 flies with vestigial wings and a gray body Which of the choices below best represents the map distance between the genes for these two traits?
a. 25.0 map units b. 40.0 map units c. 10.0 map units d. 100.0 map units e. 9.5 map units
Which structure in the accompanying figure is a common site of cancer that can usually be detected by a Pap smear?
a. 4 b. 5 c. 6 d. 7 e. 8
Canada thistle is a dicot that spreads via growth from lateral roots. You want to use a root miner insect for weed control
What would you need to observe in the underground growth to verify that this weed spreads via lateral roots and not by underground stems? A) an epidermis at the periphery B) vascular bundles in a ring around the outside of a cross section C) a vascular bundle in the center surrounded by parenchyma tissue D) meristematic tissue at the tips of the branches
In glycolysis and the Krebs cycle, electrons are removed from glucose and taken up by molecules like NAD+. In such a reaction, glucose is being and NAD+ is being .
A. phosphorylated; oxidized B. oxidized; reduced C. reduced; oxidized D. reduced; phosphorylated E. phosphorylated; reduced