Which of the following determines the direction of respiratory gas movement?
A) molecular weight of the gas molecule B) temperature
C) gas solubility in water D) partial pressure gradient
Answer: D
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Which of the following is a function of the membrane proteins called channel proteins?
A) They bind to specific extracellular molecules to trigger a cellular change. B) They permit the passage of ions, bypassing the lipid portion of the cell membrane. C) They are enzymes. D) They serve as anchors or stabilizers for the cell membrane. E) They are used as a source of energy.
Design a concept map on scientific experimental design.
What will be an ideal response?
The ________ is a spiral-shaped passage that leads from the oval window to the inner ear
Fill in the blank(s) with correct word
The detrusor muscle
A) moves urine along the ureters by peristalsis. B) compresses the urinary bladder and expels urine through the urethra. C) functions as the internal urinary sphincter. D) functions as the external urinary sphincter. E) surrounds the renal pelvis.