A potassium atom may become a potassium ion (K+) by:

A. gaining an outer energy level electron

B. giving up a neutron

C. losing an outer energy level electron

D. interacting with another potassium atom

Replication, transcription, or translation.

Peristalsis only occurs in the esophagus. a) is a condition wherein the lining of the digestive tract is irritated by the passage of rough fibrous material. b) is waves of muscular contractions that move along the length of the digestive tract.

An interaction in which drugs combine in the body to produce extremely uncomfortable reactions is called antagonism. synergism. intolerance. cross-tolerance.

Which statement is not true of ozone? It produces ultraviolet radiation. It is a form of oxygen. It is an ingredient in smog. It forms a layer in the upper atmosphere.

Which of the following is a way to conserve water quantity a A buying bottled water B reducing the amount of detergent use in the laundry C decreasing amount of electricity used for appliances D none of the above

Gods law provided that poor people could gather loose green dropped and fields

Which of the following functions does the myelin sheath perform for a nerve cell? a. Nutrition b. Sensory perception c. Insulation d. Regeneration

The area of land from which water drains into a river

A certain cell continues to divide uncontrollably. Which of it's genes is likely mutated?

Are these genotypes or are these phenotypes? A. Green B. KK C. Blue eyes D. Purple flower E. Jj F. dd