Movement of molecules down a concentration gradient is an example of

Use bond energy in a sentence

Which part of the heart takes blood from the veins and pumps it into a ventricle? A. ventricles B. valves C. arteries D. atria

The head of a phospholipid can be descibed as

place the following levels or organization in the correct order from smallest to largest: organelles, atom, tissue, organism, organ system, organ, molecule, and cell.

Whats the basic unit of life?

Information flow (with the exception of reverse transcription) moves from DNA to RNA via the process of transcription. True or False

The temperature of the ocean is different at the surface than it is near the deep ocean floor. Why do you think that is the case?

Philosophy is a branch of science. True False

What are three animal that have something in common? named them and why?

Why is testcross necessary to determine genotype when an organism shows a dominant trait?