Answers: 3
Biology, 21.06.2019 20:00
Researchers randomly divide participants into groups. each group takes a different amount of omega-3 fatty acid supplements daily for a month. one group receives a placebo. the researchers measure the impact on cholesterol levels in the blood. what is the purpose of random assignment in this experiment? a, to produce treatment groups with similar characteristics b, to ensure that all people with high cholesterol have an equal chance of being selected for the study c, to increase the accuracy of the research results and prevent skewness in the data
Answers: 1
Biology, 22.06.2019 00:10
Which way do the nitrogenous bases in dna pair up? a. a and g; t and c b. a and c; t and g c. a and t; g and c d. a and a; t and t; g and g; c and c
Answers: 2
How does rough er differ from smooth er...
Mathematics, 22.04.2020 07:46
Mathematics, 22.04.2020 07:46
Mathematics, 22.04.2020 07:46
Mathematics, 22.04.2020 07:46
Mathematics, 22.04.2020 07:46
Mathematics, 22.04.2020 07:46
Chemistry, 22.04.2020 07:46
Mathematics, 22.04.2020 07:46