What proportion of purple kernels is expected in the progeny of the monohybrid cross?

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.

How can you tell the difference between rough er from smooth er?