Which system is an internal system of regulation and communication involving hormones, glands, and target cells?
What will be an ideal response?
endocrine
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The peptides bound by a single MHC protein share a common
A) C domain. B) peptide motif. C) V domain. D) nucleotide sequence.
The nitrogenous base found in DNA but not in RNA is
a. adenine. b. cytosine. c. guanine. d. uracil. e. thymine.
A novel disease causes destruction of the adrenal glands. If a patient with this disease failed to receive aldosterone replacement therapy, what would result?
A. death B. diminished cognitive function C. infertility in both men and women D. poor blood sugar regulation Clarify Question What is the key concept addressed by the question? What type of thinking is required? Gather Content What do you already know about aldosterone? What other information is related to the question? Choose Answer Given what you now know, what information is most likely to produce the correct answer? Reflect on Process Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
The seed plants became dominant during the late ___ when the climate became ___
a. Cambrian; wetter b. Carboniferous; drier c. Carboniferous; wetter d. Cretaceous; drier e. Cretaceous; wetter