Many processes of cellular respiration occur in the mitochondria. which two
substances must enter the mitochondria for cellular respiration to be completed?

a. carbon dioxide and oxygen
b. pyruvic acid and oxygen
c. glucose and carbon dioxide
d. glucose and atp

Which of the following does not describe a physical property of iron? a iron is silvery-white or gray in color. b iron has a boiling point of about 3,000°c. c iron is a magnetic element . d iron and sulfur react to form iron sulfide.

The current thought on the structure of the cell membrane is: a. a static phosphate sandwich of lipids b. a fluid-mosaic of phospholipids and proteins c. a bilayer of proteins with static lipid molecules d. an impermeable bilayer of protein molecules e. a static and permeable phospholipid single layer

Which statement best describes a typical difference that could be found between the “analysis” and “conclusion” sections of a lab report?