Transcriptional regulation in eukaryotes includes processes such as alternative splicing that are not observed in bacteria or archaea. What changes occurred in the eukaryotic cell to make alternative splicing possible

Creation of an unnaturally uniform sample to represent a diverse populationcan be avoided by: a. including only willing b. asking another scientist for .c. choosing only identical participants.d. selecting individuals at random.

Which sequence correctly shows the path of carbon dioxide during repiration?

The image below shows a common blood pressure gauge. what does this device do? a. measures the level of oxygen present in the blood b. measures the pressure of blood when the lungs expand and compress c. measures the electrical activity of the heart d. measures the pressure of blood when the heart contracts and relaxes