Chemically or thermally modified toxins that are used for vaccination are called (adjuvants/antigens/toxoids)
What will be an ideal response?
toxoids
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Individuals change from one sex to the other in ____
a. simultaneous hermaphroditism b. sequential hermaphroditism c. oviparity d. parthenogenesis e. gametogenesis
How did the control group differ from the
experimental group in the butterfly experiment?
a. They were different species. b. Their native habitat of the forest differed. c. They were spotless and soundless. d. They tasted worse. e. They preferred different flowers species
Myelin is a fatty substance that
a. slows action potentials. b. is wrapped around neuroglial cells. c. increases the speed of action potentials. d. is found only surrounding neurons of the central nervous system. e. is true of a and d only.
What occurs when the resiratory center stops sending nerve signals to the diaphragm and the rib cage?
A) Muscles contract and inspiration occurs B) Muscles relax and inspiration occurs C) Muscles relax and expiration occurs D) Muscles contract and expiration occurs