The wrapping of a waxy sheath of protective myelin on neurons' axons tends to
a. shorten the neurons' lifespan.
b. change sensory neurons into motor-control neurons.
c. cause slippery physical movements of the axon.
d. increase the speed of nerve impulses in the axon.
D
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Kiko just experienced a stillbirth after being pregnant for nearly seven months. In what way would her grief be different than that of Ishi, whose child died unexpectedly at six months of age?
a. Kiko would display significantly less sadness b. People would expect Kiko to recover much faster. c. Kiko would exhibit more anticipatory grief. d. People would avoid making comments about Kiko's situation.
An environmental condition that elicits a response is called a ___________
Fill in the blank(s) with correct word
After moving from one room to another, Sally says "I have to pause for a minute so my opsin and retinal bond again." Sally has just moved from a __________ room to a __________ room
a) brightly lit; dark b) dark; brightly lit c) small; large d) quiet; loud
Darwin and Mendel made great advances in our understanding of heredity, but it was
only in the 20th century that the basic, discrete unit of heredity was discovered. That unit is called a (a) Mendel (b) chromosome (c) gene (d) sperm