What quality is essential to credible reasoning? A. reliance on research

B. a lack of bias

C. the avoidance of emotion

D. a logical approach

What are the doorways into and out of cells, attached to the membrane, and built in the rough er.

Which enzymes break down carbohydrates?

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material