Answer:
Enzymes unwind the DNA molecule into two strands.
Explanation:
I just took the quiz and it was correct
Answer:proteins
Explanation:
Proteins are large biopolymer molecules that are made up of repeating monomer units called amino acids.
Ethics are principles that govern a person’s behavior or the conducting of an activity
Albert, a student researcher, varies the amount of food given to rats in an experiment to measure the effect on their learning behavior. In albert's study, the amount of food given is the independent variable.
An independent variable is under the control of the experimenter. Independent variable does not depend on the other variables involved in the experiment. Since the amount of food is varied, it is not depending on other variables like size of mice, weight, etc.
