How many chromosomes are in each daughter cell at the end of mitosis?

Look at the following answer choices and determine which belongs in the both category. testable, can be disproven explains natural phenomena, has evidence to support it prediction, tentative, one or more scientists working together well established, many different scientists working independently, highly reliable

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

What is the average speed of a car that traveled 300.0 miles in 5.5 hours