Creutzfeldt-Jakob disease is caused by a

1.bacteria.
2.retrovirus.
3.bacteriophage.
4.viroid.
5.prion.


5

Biology & Microbiology

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Neurotransmitters are stored in vesicles at the nerve terminal. Assuming a neurotransmitter is a protein, where was it synthesized?

A. the cytoplasm B. the rough endoplasmic reticulum C. the Golgi apparatus D. the lysosome

Biology & Microbiology

In a recombinant DNA experiment, which enzyme is used to join together DNA fragments by forming phosphodiester bonds between nucleotides? Recall that this same enzyme joins together Okazaki fragments on the lagging strand during DNA replication

A) DNA primase B) DNA polymerase C) DNA helicase D) DNA ligase E) Reverse transcriptase

Biology & Microbiology

A particular cell has the following molecules and structures: enzymes, DNA, ribosomes, plasma membrane, and mitochondria. It could be a(n) ________ cell

A) bacterial B) plant or bacterial C) plant, but not an animal D) animal, but not a plant E) plant or animal

Biology & Microbiology

An evolutionary stable strategy (ESS) is:

a. a strategy that if adopted by all members of the population cannot be invaded by a mutant strategy. b. a strategy that if adopted by part of a population cannot be invaded by a mutant strategy. c. a mutant strategy that cannot invade a population. d. a strategy that if adopted by all members of the population can be invaded by a mutant strategy.

Biology & Microbiology