Science Unit - Cells and Molecules
A part of the cell containing DNA and RNA and responsible for growth and reproduction.
A jellylike fluid inside the cell in which the organelles are suspended.
A thin, flexible barrier around a cell; regulates what enters and leaves the cell.
A rigid layer of nonliving material that surrounds the cells of plants and some other organisms.
Releases energy from sugar during aerobic respiration.
Cytoplasmic organelles at which proteins are synthesized. (Makes proteins)
An organelle found in plant and algae cells where photosynthesis occurs.
Diffusion of water through a selectively permeable membrane.
Movement of molecules from an area of higher concentration to an area of lower concentration.
Creation of energy by joining the nuclei of two hydrogen atoms to form helium.
Having a higher concentration of solute than another solution.
Having a lower concentration of solute than another solution
A solution that has a substance dissolved into it.
A substance that is dissolved in a solution.
Who used a microscope and was the first person to observe and name the cells?
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