The anterior pituitary responds to hormones produced by which organ?
a. pancreas
b. adrenal glands
c. hypothalamus
d. thalamus
c. hypothalamus
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Regardless of its shape, a given orbital may contain no more than:
A. 1 electron. B. 4 electrons. C. 8 electrons. D. 2 electrons.
One day during the summer you and some friends make ice cream using an electric ice cream maker. To get the ice cream to form, a mixture of salt and ice is packed around the ice cream maker. A few days later you notice a yellow circle of dead grass where the ice cream maker had been placed. You hypothesize that some of the salt and ice mixture spilled onto the grass and ___
A. froze the grass B. was isosmotic to the grass cells causing the yellow circle of dead grass C. was hyperosmotic to the grass cells causing the yellow circle of dead grass D. was hypoosmotic to the grass cells causing the yellow circle of dead grass
If your original DNA strand is ACGGCATTG, what would the complimentary strand look like?
1.TGCCGTAAC 2.UGCCGUAAC 3.ACGGCATTG 4.GTAATGCCA
A reciprocal exchange in which two DNA molecules with the same nucleotide sequence break and rejoin in a crossover is called ________ recombination.
A. replicative B. homologous C. site-specific D. None of the choices are correct.