Antibodies belong to which class of plasma proteins?
A. Albumins
B. Fibrinogens
C. Beta globulins
D. Gamma globulins
E. Hormones
D. Gamma globulins
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Which of these results from the second meiotic division?
A. Two diploid daughter cells with 46 chromosomes each B. Two haploid daughter cells with 46 haploid chromosomes C. Two diploid daughter cells with 23 chromosomes each D. A single daughter cell with 46 chromosomes, and a polar body with no genetic material E. Two haploid daughter cells with 23 chromosomes each
Peptides such as angiotensin are reabsorbed by means of phagocytosis by tubule wall cells. The peptide is then transported back to the blood as a functional molecule.
Answer the following statement true (T) or false (F)
If the permeability of a resting axon to sodium ion increases,
A) the membrane potential will repolarize. B) the membrane potential will hyperpolarize. C) inward movement of sodium ion will increase. D) outward movement of sodium ion will decrease. E) inward movement of sodium will increase and the membrane will depolarize.
The antifreeze glycoproteins (AFGPs) share a common ancestry with
A) Heat shock proteins. B) Pancreatic trypsinogen. C) Cytoskeletal actin. D) Ca2+-dependent lectin.