an energy pyramid is a diagram that shows energy gain. true or false?

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

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

2. sketch the inside of the bean nodule, and describe or label what you observed with the hand lens.