11 terms

Biology: Animal Cell Structure

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Nucleus
The nucleus is the master control of the cell. It contains genes / DNA, which determine every aspect of human anatomy and physiology
Nucleolus
The site in the nucleus where ribosomes are formed.
Smooth Endoplasmic Reticulum
The smooth endoplasmic reticulum (SER / agranular ER) does not have any attached ribosomes. Its function is to produce different types of lipids (fats). The smooth ER also plays a role in carbohydrate and drug metabolism.
Golgi Apparatus
The organelle modifies, sorts and packages materials for storage within the cell or secretion outside the cell.
Mitochondria
The site of cellular respiration in a cell. Energy is transferred from organic molecules to form ATP.
Rough Endoplasmic Reticulum
The endoplasmic reticulum (ER) is a stack of membranes that isolates substances from the rest of the cell until their manufacture is completed.
The rough endoplasmic reticulum (RER / granular ER) contains a number of ribosomes giving it a rough appearance. Its function is to synthesize new proteins.
Ribosomes
Small organelles that are sites of protein synthesis. Can be free in the cell or on the RER.
Cell membrane
Thin layer of protein and fat that surrounds the cell is the cell membrane. It is semipermeable, allowing some substances to pass into the cell and blocking others.
Cytoplasm
Jelly-like material of the cell organelles are located.in it. It is the site of protein synthesis and many metabolic events. The cytoplasm contains many enzymes for general metabolism.
Centriole
Produces spindle fibers for cell division. The centriole is the dense center of the centrosome.
Lysosomes
Round organelles surrounded by a membrane where the digestion of cell nutrients takes place due to presence of the digestive enzymes.
These small structures continuously break down old proteins, foreign materials, and many wastes.