What are the cells that are specialized to produce and conduct electrochemical impulses called?
A. neurons
B. dendrites
C. astrocytes
D. fibroblasts
E. axons
Answer: A
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Core body temperature is about ____
a. 37°C b. 98.6°C c. 37°F d. 75°F e. 41°C
A therapeutic approach that tries to get a person's own immune system more involved in the fight against malignant cells is called ________.
a) active immunotherapy b) indirect immunotherapy c) passive immunotherapy d) adaptive immunotherapy
Regardless of its shape, a given orbital may contain no more than
A. 2 electrons. B. 4 electrons. C. 1 electron. D. 8 electrons.
Proper sequence:
1. Homologous chromosomes are brought into perfect alignment by a protein complex forming tetrad. 2. Chromatids separate and go to opposite poles. 3. Homologous chromosomes separate and go to opposite poles. 4. Chromatids of one homologous chromosome exchange fragments with chromatids of the other chromosome. 5. Pairs of homologous chromosomes line up along the cells equatorial plate.