Which statement below is correct? Photosynthesis produces ATP, and cellular respiration requires light energy. Photosynthesis produces carbon dioxide, and cellular respiration produces sugars. Photosynthesis and cellular respiration occur in both plant and animal cells. Photosynthesis produces the oxygen required for cellular respiration.

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !