Which of the following occurs when insulin molecules bind to their receptors on target cells?
A. increased mRNA synthesis in the target cells
B. minimal uptake of glucose by target cells
C. phosphorylation of proteins in the plasma membrane in the target cells
D. increased numbers of active transport molecules for glucose
E. phosphorylation of proteins in the plasma membrane in the target cells and increased numbers of active transport molecules for glucose
E
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Palpebrae is another name for the ________.
A. eyelids B. eyelashes C. eyes D. conjunctiva E. eyebrows
The organ that delivers semen into the female reproductive tract is the
A) urethra. B) ejaculatory duct. C) penis. D) corpus cavernosum. E) corpus spongiosum.
Antibodies bind to
A. antigens. B. foreign substances. C. bacteria. D. All apply.
________ are fixed macrophages that are found in the central nervous system.
Fill in the blank(s) with the appropriate word(s).