What possible conditions were ruled out by the surface examination, normal body temperature and CBC? And Explain the process and purpose of a lumbar puncture or "spinal tap".​

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.

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

What substance acts to prevent sudden ph changes in bodily fluids?