The hydrophobic interior of the lipid bilayer of the plasma membrane blocks the passage of water-soluble substances
Indicate whether the statement is true or false
T
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The ________ is a significant site of absorption of water and electrolytes, but NOT of nutrients.
A) stomach B) large intestine C) small intestine D) mouth E) None of the answers are correct.
Following is a list of components of the renal tubule system. 1. ascending limb of nephron loop 2. ureter 3. distal convoluted tubule 4. descending limb of nephron loop 5. minor calyx 6. proximal convoluted tubule 7. papillary duct 8. renal pelvis Choose the correct order of components through which the initial filtrate of urine flows from the renal corpuscle and is conducted to the urethra to be excreted as urine.
A) 4, 1, 6, 3, 7, 5, 8, 2 B) 3, 4, 1, 6, 5, 8, 7, 2 C) 6, 1, 4, 3, 5, 7, 8, 2 D) 3, 1, 4, 6, 8, 7, 5, 2 E) 6, 4, 1, 3, 7, 5, 8, 2
In bright sunlight, the pupil of your eye constricts and contracts the
A. ciliary muscles. B. dilator pupillae. C. sphincter pupillae. D. suspensory ligaments. E. ciliary ring.
The autonomic nervous system carries what kind of messages?
A. Sensory B. Efferent C. Voluntary D. Afferent