What is active transport? A. an organism's way of getting materials to its community
B. a cell's way of transporting materials that uses energy
C. the nucleus's way of transporting genetic information
D. when peroxisomes moving materials in a cell

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

Which of these serves as a reference for comparison during a scientific investigation? a)outcome variable (dependent variable) b) test variable (independent variable) c)control group d)hypothesis

One of the purposes of transcription is to produce a sequence of bases that