What type of cell can destroy cancer cells without prior stimulation by tumor antigens?
A. Cytotoxic T cells
B. B lymphocytes
C. Regulatory T cells
D. Natural killer cells
Answer: D
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The duration of the cell cycle is decreased in response to increased amounts of ________.
A. DNA helicase B. cyclin C. proteasome D. telomerase
How are first-order neurons for proprioception characterized?
A. Large and myelinated B. Large and unmyelinated C. Small and myelinated D. Small and unmyelinated
The structure that attaches the patella to the quadriceps muscles is called (the)
A) collateral ligament. B) quadriceps tendon. C) patellar ligament. D) synovial membrane. E) None of the answers are correct.
A cell finishing mitosis has ________ DNA molecules, while a cell finishing DNA replication has ________ DNA molecules.
A. 23; 23 B. 23; 46 C. 46; 92 D. 46; 23 E. 46; 46