DNA Fingerprinting has a higher degree of certainty than does conventional fingerprinting True or False

Cells tend to have a relatively small and uniform size. why aren’t cells larger?

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

Why are scientists concerned about the depletion of the ozone levels in the stratosphere?