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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
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Which skeletal system is represented by the shaded portion of the skeleton? spongy skeleton compact skeleton axial skeleton appendicular skeleton
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Biology, 22.06.2019 15:00
Located at the epidermal-dermal junction of the skin. select all true statements about the transformation of melanocytes into abnormal cell
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Which factor determines whether a molecule can cross a cell membrane...
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