The small swelling at the end of an axon, which lies close to the dendrite or cell body of another neuron, is the axon __________
Fill in the blank(s) with the appropriate word(s)
Answer: Terminal
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The specificity of certain rhizobia to infect only particular plants is in part due to the
A) abundance of nutrients present in the soil. B) nifH genes they possess. C) rhizobial lipids that act as signaling molecules. D) season (time of year).
How do muscles produce the force that results in movement?
A. By activating neurons B. By shortening C. By responding to hormones D. By elongating
Which of the following is not an essential feature of electron transfer from water to NADP+?
A) photosystem II complex B) photosystem I complex C) coenzyme Q D) plastocyanin (PC) E) cytochrome b6/f complex
Which of the following is incorrect about genetic effects on behavior?
A. Fraternal twins are a good model system to study the influence of genes on behavior. B. When two species of lovebirds that differ in the way they carry twigs were mated, their offspring showed an intermediate phenotype. C. Behavior can be influenced by genes that affect the neural circuitry within the brain. D. In mice, the fosB gene seems to determine if a female will nurture her young. E. In humans, the relative importance of genes versus environment is still debated.