| Organelle |
Description/Function |
| Nucleus |
contains DNA as well as nucleolus where Ribosomes are created. RNA and Ribosomes can get out. DNA cannot. |
| Mitochondrion |
endosymbiotic bacterium. Has its own ribosomes and DNA. This is where cellular respiration and the construction of ATP from Glucose takes place. |
| Chloroplast |
endosymbiotic. has its own ribosomes and DNA. thylakoid sacs combined into grana. liquid outside is known as stroma. |
| Ribosomes |
combination of RNA and proteins from the nucleolus. Some are free while others are in the ER. they synthesize polypeptides using dehydration synthesis. Eukaryotic ribosomes are largest. |
| Endoplasmic Reticulum |
"highway" of the cell. creates vesicles to carry molecules to the cell membrane. Smooth ER detoxifies blood by adding hydroxyls.Lipid and carbohydrate synthesis. |
| Golgi Complex |
flattened membraneous sacs. They modify products released in vesicles. synthesize cell wall for division in plant cells. |
| Lysosomes |
digestive vacuoles. They are also a part of programmed cell death. Assimilation of cholesterol.
|
| Peroxisomes/Microbodies |
they contain the catalaze needed to break down the hydrogen peroxide released by cellular respiration. |
| Vacuole |
these store things such as water, food, pigments, and enzymes. They are far more common and larger in plant cells. Contractile vacuoles gather water and then expel it like in Paramecium |
| Centrioles |
these assemble microtubules. They are near the nucleus and make spindle fibers. Only in animal cells |
| Cilia |
small, plentiful extensions of cell membrane. Act like oars on a boat. |
| Flagella |
larger whiplike extensions that are used for cell movement. Propeller in prokaryotic. Back and forth in eukaryotic |
BIOL3326 Forms
