3. What is feedback in a system? the balance of competing factors in a system.
the regulation of a system by the output.
the definition of what is part of the system and what isn't.
the behaviors of the different components of a system

2. what process do mrna and trna work together to complete? (3 points)

When the oxygen produced by photosynthetic plants in the water dissolves in the water, which of these is being formed?

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 !