A dependent variable is

a. directly changed by the experimenter.

b. manipulated by changes to the independent variable.

c. a variable that is kept constant.

d. a variable that is used as a control

Which best describes the cell theory? A. Scientists know all there is to know about cells, so the cell theory will not change. B. As technological advancements are made, the cells theory may change. C. A theory, once formulated, can not be change. D.

How the seeds got to a place away from the tree

The liver plays an important role in modulating blood glucose levels by removing glucose from the blood during periods of abundance or secreting it into the blood when blood glucose concentration is low.

During which process is mRNA converted into a sequence of amino acids for protein production? transcription translation translocation mRNA synthesis

Which of the following groups of phase changes occur only when heat energy is removed or released from water. a. melting, evaporation, sublimation b. condensation, freezing, deposotion c. sublimation, deposition, melting d.

Why is it important that capillaries are embedded throughout skeletal and muscle tissue?

Nursing students have been assigned to develop their own theory of nursing. what should they include in their theory, often referred to as the metaparadigm for nursing?

Foodborne pathogens are harmful to the human body in any amount.

The breakup of Pangea caused climate changes that caused organisms to adapt or die off, this occured during the Paleozoic era. true or false

Which property of DNA contributes the most to DNA ability to, replicate