The ____________________ gives cell membranes a flexible structure that forms a strong barrier between the cell and its surroundings.

Which type of organism consists of specialized cells?

This organelle produces a usable form of energy for the cell through a process called cellular respiration.

Which of the following is NOT an example of a type of solution?

This organelle is a folded membrane that forms a network of interconnected compartments in the cytoplasm; can be classified as rough or smooth.

Diffusion stops when ____________________________________________________.

Diffusion is a process that _________________________.

Which organelle is found in plant cells but NOT in animal cells?

In an isotonic solution, how do water molecules move across the membrane?

In a hypertonic solution, a cell will __________.

According to the cell theory, all cells come from _________________.

Active transport ______________ energy to occur because particles move __________ the concentration gradient.