Match the cell membrane structure to its description: Tight junction.
A)Adjacent cells held together by connexon proteins that form cylinders allowing ion flow between the cells' cytoplasm
B)Adjacent cells joined by a line of membrane proteins that form an impermeable junction
C)None of the listed responses is correct.
D)Buttonlike junctions that use linker proteins to hold adjacent cells together
B)Adjacent cells joined by a line of membrane proteins that form an impermeable junction
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The __________ is a collagenous collar that encloses most of the bone.
Fill in the blank(s) with the appropriate word(s).
Most cases of hypothyroidism in the United States can be prevented.
a. true b. false
What effect does an increase in ADH levels have on the DCT?
A) Increased ADH will decrease the number of aquaporins in the DCT which increases water reabsorption and reduces urine volume. B) Increased ADH will increase the number of aquaporins in the DCT which increases water reabsorption and reduces urine volume. C) Increased ADH will increase the number of aquaporins in the DCT which decreases water reabsorption and reduces urine volume. D) Increased ADH will decrease the number of aquaporins in the DCT which decreases water reabsorption and reduces urine volume. E) Increased ADH will increase the number of aquaporins in the DCT which increases water reabsorption and increases urine volume.
With the elbow and wrist extended, painting a circle on a canvas requires ________ of the shoulder.
A. circumduction B. extension C. rotation D. elevation E. flexion