Which of the following is NOT a nucleotide base found in DNA?
A. Adenine
B. Thymine
C. Guanine
D. Cytosine
E. Uracil
E
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The secretions of endocrine glands ____
a. only affect their own tissue b. provide feedback by paracrine action c. reach their target tissue via the ECF d. reach their target tissues via the circulatory system e. are only active in the nervous system
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
Hormones are distributed throughout the body
by the ____ system. a. exocrine b. lymphatic c. nervous d. circulatory e. integumentary
The outer portion of the adrenal gland, which secretes mineralocorticoids, such as aldosterone, and glucocorticoids, such as cortisol, is called the adrenal __________________
a. hemisphere b. cortex c. lobule d. lobe e. medulla