Each cell is able to maintain a constant internal

environment. This condition is called
a. metabolism.
b. homeostasis.
c. physiology.
d. adaptation.
e. evolution


B

Biology & Microbiology

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Stress can have a significant effect on the body. Chronic stress

a. may lead to excessive stimulation of neurons. b. is associated with elevated levels of epinephrine from the adrenal cortex. c. is associated with elevated levels of cortisol from the adrenal cortex. d. may lead to increased blood flow to the brain, especially the hippocampus. e. may suppress stimulation of neurons.

Biology & Microbiology

Analogous structures serve the same function, are similarly constructed, and are inherited from a common ancestor.

Answer the following statement true (T) or false (F)

Biology & Microbiology

Explain the advantages of using recombinant DNA technology to produce human proteins in transgenic plants,

animals, or cultured cells. What will be an ideal response?

Biology & Microbiology

This term describes how cells display their genetic characteristics. 

A. transcription B. gene expression C. translation D. gene phrasing

Biology & Microbiology