Which neurotransmitter is responsible for causing muscle contraction?

a. ACh
b. ATP
c. Calcium
d. Potassium
e. Sodium


a

Biology & Microbiology

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Aquatic organisms that have a lower salt concentration in their bodies than the surrounding water are considered ________

Fill in the blank(s) with correct word

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Marsupials are distinguished by

A. nails. B. a marsupium. C. opposable thumbs. D. mammary glands.

Biology & Microbiology

Recombinant DNA only occurs when you take DNA from another organism and insert it into a bacterium

A. true B. false

Biology & Microbiology

Rita has been diagnosed with HER2 breast cancer, and is prescribed Herceptin. The approach of basing a drug prescription on the results of a single-gene test is called

A) pharmacogenetics. B) pharmacophenetics. C) pharmacogenomics. D) enzyme replacement therapy.

Biology & Microbiology