The cardiac muscle tissue is called the ________

A) pericardium B) coronary chamber C) endocardium D) myocardium


Answer: D

Biology & Microbiology

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After signal transduction has run its course, receptor molecules are removed from the surface by endocytosis; one

possible fate of the receptor is to be separated from its signaling molecule and returned to the cell surface.

a. True b. False

Biology & Microbiology

Straight-chain oils are called:

a. aliphatic hydrocarbons. b. aromatic hydrocarbons. c. mixed hydrocarbons. d. ethyl oils. e. aromatic oils.

Biology & Microbiology

Which of the lakes in the accompanying figure may experience turnover?


a. 2 and 4
b. 2 and 3
c. 3 and 4
d. 1 and 2
e. 1 and 3

Biology & Microbiology

PCBs were frequently used in electrical transformers. A young man digs in an abandoned industrial site, finding old transformers, and sells the copper wire from them to a scrap yard. What health problems might the young man have in the future?

What will be an ideal response?

Biology & Microbiology