All of the genes that have been found to influence the development of Alzheimer's disease ______.
A. seem to be gender related
B. affect amyloid protein production or its deposit
C. are in some way connected to glutamate
D. are on the same chromosome
Answer: B
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Why may you get really crabby when you don't get enough sleep?
A. increased glycogen in the brain B. increased serotonin in the brain C. increased activity in the brain's emotion centers D. increased endorphins in the brain, in particular the limbic system
The law of independent assortment states that when two traits of a parent are considered,
a. each trait is linked with the other. c. each trait has different genes. b. each trait is inherited independently. d. each trait has different DNA.
Many kinds of information impinge onto two kinds of cells in one nucleus of the hypothalamus, which is regarded as the "master area" for control of appetite. That area is the ____.
A. suprachiasmatic nucleus B. sexually dimorphic nucleus C. solitary nucleus D. arcuate nucleus
The average human cell (with exception to ova and sperm cells) contains how many chromosomes?
23 46 52 78