In gel electrophoresis why does the DNA move toward the bottom of the wall of gel? A. DNA is negatively charged. B. DNA is positively charged. C. DNA is extremely heavy. D. DNA is less dense than air.

Which famous scientist is credited as the founder of the scientific method a. Aristotle b. John dalton c. Sir Francis bac on d. Sir Isaac Newton

What challenges arise when trying to protect the environment? Select four options. A) expensive clean energy startup B) costs threat to the livelihood of many citizens.

And a carbohydrate do carbon hydrogen and oxygen exist in a 2:1:2 ratio?

El proceso de fecundación consiste en A. La producción de óvulos en el proceso de ovogénesis D. La producción de células somáticas B. La producción de espermatozoides en el proceso de espermatogénesis C.

Should the FDA should give Aquabounty permission to grow and sell transgenic salmon? Why or why not?

What is a recessive gene? a. The gene that displays itself. b. The hidden gene. c. The gene that is dominant.

Much of the fluid that moves across capillary walls and into the tissues moves as a result of filtration, forced by blood pressure. o2 on the other hand travels from the capillaries into the tissues as a result of what?

Which organisms are extremely small and use hosts as both home and food supply

Explain generaly how Cyclin and Cyclin Dependent Kinase (CDK) work to control the cell cycle.

The outer periphery of the intervertebral disk is composed of strong fibrous tissue called the: