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Intro to A&P
Chapter 3
Word or Name | Definition |
---|---|
Nucleoplasm | The protoplasm inside the nucleus of the cell. |
Cytoplasm | The protoplasm outside the nucleus of the cell. The area of the cell where glycolysis occurs. |
Robert Hooke | The English scientist who first described cells in 1665 and built one of the first primitive microscopes to look at a thin slice of cork. |
Anton von Leeuvenhoek | The Dutch naturalist who was the first to observe living cells under a microscope. |
Plasmalemma (plasma membrane) | Cell Membrane that surrounds a cell. |
Protoplasm | The liquid portion of a cell. |
Nucleus | The control center of the cell. |
Nucleolus | The structure within the cell that is the site of ribosomal synthesis. |
Lysosomes | The small bodies in the cytoplasm that contain powerful digestive enzymes that enhance the breakdown of cellular components. |
Ribosomes | The site of protein synthesis. |
Translation | The cellular process of reading the code and bringing the appropriate amino acids in sequence along the mRNA. |
Cilia & Flagella(locomotion) | Cellular organelles composed of fibrils and located on the cell surface that protrude from the cell and beat or vibrate. |
Photosynthesis | The process by which plant cells convert the light energy of the sun into chemical energy and food for use by both plants and animals. |
Chloroplasts | The large organelles found mainly in plant cells that contain the green pigment chlorophyll. Site of photosynthesis. |
Water | The main constituent of cytoplasm. |
Mitochondria | The powerhouses of the cell. |
Micron | A cellular measurement equal to one thousandth of a millimeter. |