The three major parts of a cell are
A) microtubules, ribosomes, and centrosomes.
B) the nucleus, nucleolus, and nuclear envelope.
C) the nucleus, cytoplasm, and cell membrane.
D) the endoplasmic reticulum, Golgi apparatus, and vesicles.
C
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Where are the adenoids located?
A. Laterally in the oropharynx B. At the root of the tongue C. The roof of the nasopharynx D. None of these are correct.
ADH level in nephrons regulates water output by causing
A) the distal convoluted tubule and collecting duct to reabsorb more or less sodium ions. B) the distal convoluted tubule and collecting duct to reabsorb more or less water. C) the glomerulus and proximal convoluted tubule to filter less or more water. D) the glomerular capsule and nephron loop to absorb more or less water.
Proteins are digested into ________.
Fill in the blank(s) with the appropriate word(s).
Which part of the reflex arc is associated with interneurons?
a. sensory receptor b. afferent pathway c. integrating center d. efferent pathway e. effector