Chromatin becomes organized into chromosomes during:
a. interphase
b. prophase
c. anaphase
d. telophase
b. prophase
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The cells of the macula densa and the juxtaglomerular (JG) cells form the:
A) juxtaglomerular apparatus (JGA). B) renal corpuscle. C) filtration membrane. D) nephron loop (loop of Henle).
Steroid hormones differ from peptide hormones in that all steroid hormones are known to bind nuclear receptors
Indicate whether the statement is true or false
Sexual drive in females
A. is dependent on hormones. B. can be affected by psychological factors. C. is influenced by androgens that affect the hypothalamus. D. is dependent on hormones, can be affected by psychological factors, and is influenced by androgens that affect the hypothalamus. E. None of these choices is correct.
If both Na+ and K+ channels are activated by depolarization, why do we see more Na+ flux during the rising phase of an action potential?
What will be an ideal response?