PLAY 5
A student examined an unknown molecule that contained carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and
phosphorus (P). No additional elements were found in the molecule.
Which type of molecule was examined?
A nucleotide
B A quarter-pounder with cheese... hold the tomatoes!
protein
D carbohydrate
Eid

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 !