The brains of patients with Alzheimer’s disease have a reduced level of
1.serotonin.
2.dopamine.
3.acetylcholine.
4.aspartic acid.
5.GABA.
3
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Within a genome, an enhancer may be located
A) upstream of the gene enhanced. B) downstream of the gene enhanced. C) within the gene enhanced. D) choices A, B, and C E) both choices A and B
The Gram-negative opportunistic rod that can grow in a wide variety of environments, including disinfectants and soaps, is
A. E. coli. B. S. aureus. C. S. pyogenes. D. P. aeruginosa.
Examine the pedigree in the figure above, where individuals that have the genetic condition being
tested are marked with filled squares or circles. Which of the following inheritance patterns is most likely correct for this condition?
a. autosomal dominant b. X-linked recessive c. X-linked dominant d. cytoplasmic inheritance e. autosomal recessive
Of the 23 pairs of human chromosomes, 22 pairs are homologous and are found in both males and females. These are called ________.
A. autosomes B. recombinant chromosomes C. bivalents D. somatic chromosomes