What are two reasons why it is important for cells to stay so small

The ability of a muscle to contract and relax is dependent on the flow of what substance in and out of the muscle cell?

allows the endodermal cells to regulate the amount of water flowing into the xylem.

Ridges of tissue on the surface of the cerebral hemispheres are called

If a cell contains 60 chromatids at the start of mitosis, how many chromosomes will be found in each daughter cell at the completion of the cell cycle? 120 60 45 30 15

Which of the following statements is true for all cells? They use solar energy. They use photosynthesis. They use chemical energy. They use chemosynthesis.

How are coal and oil similar?

Which distribution pattern in species can be considered the most easily measurable? A equal distribution B. sparse distribution C. local endemios D. migratory Reset Nest

I tend to have an inquiring mind, and i want to know more about how water moves within the plant body. i take a common houseplant and cut the stem off about 1 inch from the soil surface.

The cell theory states that

A person has been diagnosed with high blood pressure. a medication that can effectively serve to lower his blood pressure is one that: