Answers: 1
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 01:00
Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.
Answers: 3
Biology, 22.06.2019 10:50
What is it called when part of a cell membrane closes around a molecule to allow the molecule to enter the cell? a. passive transport b.diffusion c. endocytosis d. exocytosisc. endocytosis
Answers: 2
The diagram represents four trophic levels in an ecosystem....
Mathematics, 29.01.2020 07:55
Mathematics, 29.01.2020 07:55
Mathematics, 29.01.2020 07:55
History, 29.01.2020 07:55
Geography, 29.01.2020 07:55
Social Studies, 29.01.2020 07:55
Biology, 29.01.2020 07:56
Arts, 29.01.2020 07:56
History, 29.01.2020 07:56