BIO 201 TEST 1 (CHAPTERS 1-4) QUESTIONS WITH CORRECT ANSWERS

medial


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toward middle of body/inner side
ex: heart is medial to the arm




What are the major elements?


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H, C, N, O




compound

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when two or more different kinds of atoms bind
ex: NaCl




hormonal (endocrine control)


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chemicals sent out in blood stream; slower process that takes multiple
steps; effects are more widespread and longer lasting because as long as
the hormones are in the bloodstream, they affect the body
ex: growth, reproductive capability




embryology


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studies developmental changes that occur before birth




receptor


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sensor that monitors environment and responds to changes by sending
information to the control center

, Triglycerides


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body's most efficient form of stored energy




anions


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carry negative charge
ex: Cl-
Cl has 17 protons and 17 electrons; it is easier to add an electron than to
give one away=Cl-




Covalent bond


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electrons are shared




superior (cranial)


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