Cellular Respiration Practice Questions & Answer Key

age 1 of 9




Cellular Respiration Questions and Answers

cellular respiration ......ANSWER........the process in which cells

make ATP by breaking down organic compounds


photosynthesis ......ANSWER........the process in which autotrophs

convert light energy into chemical energy


which types of organisms undergo cellular respiration

......ANSWER........both autotrophs and heterotrophs


what happens when organic compounds are broken down into

simpler compounds ......ANSWER........energy is released


what is the energy released by the organic compound mostly

used to do ......ANSWER........produce ATP


the products of cellular respiration (3) ......ANSWER........CO2,

water, and ATP

, age 2 of 9




two stages of cellular respiration ......ANSWER........glycolysis and

aerobic respiration


glycolysis ......ANSWER........a biochemical pathway in which one

six-carbon molecule of glucose is oxidized to produce two three-

carbon molecules of pyruvic acid


how photosynthesis and cellular respiration depend on each

other ......ANSWER........the products of photosynthesis are the

reactants of cellular respiration, and the reactants of

photosynthesis are the products of cellular respiration


anaerobic ......ANSWER........does not require the presence of

oxygen


aerobic respiration ......ANSWER........pyruvic acid is broken down

and NADH is used to make lots of ATP