Antibodies from animals such as horses constitute artificially acquired passive immunity.

Indicate whether the statement is true or false.


Answer: True

Biology & Microbiology

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Smooth muscle cells are activated when Ca2+binds to:

A. calmodulin. B. troponin. C. tropomyosin. D. myosin kinase. E. myosin.

Biology & Microbiology

Over evolutionary time, flowering plants have evolved colors, odors, and nectar that attract pollinating insects and the

insects have evolved mechanisms that detect the changes in plants and to better collect pollen. This is an example of ____.

a. allopatric speciation b. phylogenetic change c. coevolution d. a key innovation e. sympatric speciation

Biology & Microbiology

An organism that invests more energy in reproduction will likely ______________.

a. live longer b. die earlier c. be unaffected by this decision d. I don't know the answer

Biology & Microbiology

Jogging is considered appropriate exercise for the obese individual.

a. true b. false

Biology & Microbiology