The brains of patients with Alzheimer's disease have a reduced level of

a. serotonin.
b. dopamine.
c. acetylcholine.
d. aspartic acid.
e. GABA.


C

Biology & Microbiology

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Asexual reproduction in fungi can be accomplished by ________.

A. budding of somatic vegetative cells B. hyphal fragmentation C. binary fission D. All of the choices are correct.

Biology & Microbiology

Mitosis is a cellular process that produces

A. Two genetically identical daughter cells B. Four genetically identical daughter cells C. Two similar, but not genetically identical daughter cells D. Four similar, but not genetically identical daughter cells

Biology & Microbiology

For the isotopes of any element, the _____ number will always be the same.

A) mass B) atomic C) superscript D) neutron

Biology & Microbiology

Humans have small mites that live in hair follicles and oil glands around the nose and eyelashes. What would you

need to know to classify them as exhibiting mutualism, commensalism, or parasitism? What will be an ideal response?

Biology & Microbiology