Each cell is able to maintain an internal environment within a range that favors survival. This condition is called

a. metabolism.
b. homeostasis.
c. physiology.
d. adaptation.
e. evolution.


ANSWER: b

Biology & Microbiology

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A protein is destined to be secreted from a cell. In which of the following organelles would you expect to find the protein first?

A) endosome B) Golgi apparatus C) lysosome D) secretory vesicle

Biology & Microbiology

What is one advantage of using transgenic plant cells to produce human proteins for hormone replacement therapy?

a. Transgenic plants produce lower protein yields than transgenic animals. b. Transgenic plants produce higher protein yields than transgenic animals. c. Plant cells are less expensive to grow than other cell types d. Transgenic animals cannot produce human proteins. e. HIV is spread through proteins harvested from transgenic animals.

Biology & Microbiology

The ____ of humans is expendable for normal functioning

a. tibia b. ulna c. radius d. fibula e. femur

Biology & Microbiology

Striated means

a. multinucleated. b. fibrous. c. voluntary. d. striped. e. bundled.

Biology & Microbiology