Which neurotransmitter is blocked by caffeine?
-Adenosine
-GABA
-Melatonin
-Dopamine
adenosine
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Huntington's Disease is inherited as an
a. autosomal recessive. b. autosomal dominant. c. X-linked recessive.
Which of the following occurs during assembly?
A. Viral spikes insert in host cell membrane. B. The nucleocapsid is formed. C. The viral envelope and the host cell membrane fuse. D. The nucleocapsid is formed and viral spikes insert in host cell membrane. E. New viral nucleic acid is formed.
The minimum sterilizing conditions in a steam autoclave are
A. 160°C for 2 hours. B. 71.6°C for 15 seconds. C. 121°C at 15 psi for 15 minutes. D. 100°C for 30 minutes. E. 63°C for 30 minutes.
Which of the following is a distinctive component of the cell wall of gram-negative bacteria?
A. Capsule B. Lipopolysaccharide C. Peptidoglycan D. Cytoplasmic membrane