What types of mature body cells come from the following tissue layers in early embryos: endoderm -
mesoderm-
ectoderm -

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

Which part of cellular respiration must occur before any of the other steps can occur

Someone me with this: a mineral' is determined by its actomic structure.