The central idea for understanding the general stability of body function is the principle of ______.

Fill in the blank(s) with the appropriate word(s).


Answer: Homeostasis

Biology & Microbiology

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Potassium ion channels open ____, resulting in ____

a. as the action potential passes down the axon; a more negatively charged axon cytoplasm b. when the threshold potential is reached; the opening of more sodium channels c. during the resting potential; the diffusion of sodium ions into the axon cytoplasm d. when the action potential reaches the axon terminal; a more positively charged axon cytoplasm e. when neurotransmitters attach to dendrite receptors; no difference in the charge of the axon cytoplasm

Biology & Microbiology

Changes in heritable traits result from adaptation to environmental influences

Indicate whether the statement is true or false

Biology & Microbiology

Four of the following are features found exclusively among all vertebrates. Which one is the exception?

a. notochord
b. pharyngeal gill slits
c. four legs
d. post-anal tail
e. dorsal nerve cord

Biology & Microbiology

Which of the following is not a product or reactant of glycolysis?

a. NADH b. ATP c. pyruvate d. oxygen

Biology & Microbiology