What would be the result if the notochord failed to develop?
A. The skeletal system could not develop properly.
B. The digestive system could not develop properly.
C. The circulatory system could not develop properly.
D. The nervous system could not develop properly.
E. The reproductive system could not develop properly.
Answer: D
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Cytotoxic T cells
A. secrete perforin, which kills bacteria and viruses by perforating the membrane or coat that surrounds them. B. secrete proteins that neutralize bacterial toxins. C. are activated by interleukin 1. D. are converted to plasma cells when activated by MHC proteins. E. require Class I MHC proteins to recognize foreign antigens.
Briefly explain why AB+ is considered the universal recipient
What will be an ideal response?
Which of the following is the type of muscle found in the heart?
A) smooth muscle B) appendicular muscle C) skeletal muscle D) cardiac muscle E) None of the answers are correct.
The term "bone" can refer to
A) a tissue or an organ only. B) an organ only. C) a tissue only D) a tissue, an organ, or a type of cell.