The cell theory is based on three major premises: Cells are the basic units of life. Each cell must come from a preexisting cell. All living things are made up of cells. Which of the following discoveries was the last to be made?

How do you tell if something was once alive?

What are the cells called?

Which of the following structures is NOT found in both plant and animal cells? A) Chloroplast B) Cytoskeleton C) Ribosomes D) Mitochondria

What is the cerebral cortex?

A botanist has two samples of liquid. Sample A is composed primarily of organic materials, while sample B is composed mostly of water and minerals. Which liquid was extracted from the xylem of a plant and which came from the phloem

What is a gamete apex?

If you have a concern about fluoride in your drinking water, how do you get more information?

ER, Golgi body and other membrane bound organelles often work together to produce a finished functional product. What structure connects them?

List the symptoms of the flu

Interesting facts about sickle cell anemia.