What kinds of molecules are involved in both active and passive processes of membrane passage?
A) aquaporins
B) channel proteins
C) carrier proteins
D) pumps
E) receptor proteins
Answer: C
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Which embryological structure(s) give(s) rise to the vertebral bodies?
A. Anulus fibrosus and nucleus pulposus B. Mesenchyme surrounding the neural tube C. Mesenchyme and sclerotomes D. The neural tube E. Longitudinal strips of condensed mesenchyme
Which class of nephron is crucially important in establishing a salt concentration gradient in the kidney so that urine concentration can be regulated?
A. Intercalated nephrons B. Juxtamedullary nephrons C. Adrenal nephrons D. Cortical nephrons
Groups of neuron cell bodies in the dorsal root are called ________.
Fill in the blank(s) with the appropriate word(s).
If you receive an immunization for hepatitis B and produce antibodies against the hepatitis B virus, you have developed what type of adaptive immunity?
A. Passive natural immunity B. Passive artificial immunity C. Active natural immunity D. Active artificial immunity E. Active passive immunity