Explain what is meant by the term excitotoxin.
What will be an ideal response?
An excitotoxin, such as kainic acid, kills neurons through overstimulation.
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What does the "double helix" refer to?
A. the location of genes within body cells B. the paired nature of chromosomes in cells of the body C. the twisted ladder-like structure of DNA D. the fact that genes can be found on chromosomes within the cell body and also in mitochondria
A child who persistently displays sex-atypical behavior is said to exhibit
a. androgyny. c. sex segregation. b. cross-gender behavior. d. sex typing.
Adolescence is a time of storm and stress for most adolescents
Indicate whether the statement is true or false
Jonah is born weighing as much as the average newborn. Jonah weighs
A) 8 pounds. B) 9.5 pounds. C) 7.5 pounds. D) 6 pounds.