A unicellular organism with no nucleus is a

prokaryote

eukaryote

bacteriophage

virus

What factor defines all groups in the Köppen system, with the exception of dry climates? evaporation precipitation air pressure temperature

Whats the difference between jet streams and global wind belts

Drugs affect the cell function in a variety of ways. briefly describe and provide an example of an agonist, a competitive antagonist, and a noncompetitive antagonist.

A boy hits a 0.05kg golf ball, giving it a velocity of 75 m/s. what is the momentum of the golf ball? a. 3.75 kg b. 3.75 kg*m/s c. 3.75 m/s d. 3.75 kg/m/s

During an experiment, a scientist crosses a pea plant that has purple flowers with a pea plant that has white flowers. The plants that result from this cross in the F1 generation have both purple and white flowers.

Immunoglobulins are produced by which leukocyte? A. Monocytes B. B lymphocytes C. T lymphocytes D. Plasma cells

In the ecological pyramid, organism A represents a

Mica has one direction of ___ so it breaks into sheets.

Which state looks like it has an area shaped like the heel of a boot?

Why might the hyperkalemia stimulate aldosterone secretion?