The nucleus of an atom has a (positive/negative) electric charge.

Which type of scientific statement is defined as a hypothesis or group of hypotheses that can be accepted as true based on the repeated experimentation with similar results

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

Which example best describes a reflex action? a. eating food when hungry b. coughing when the throat is irritated c. bending down to lift a heavy object d. going for a walk outside