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Bio Terms

Terms

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chloroplast
cell organelles that capture light energy and converts it to chemical energy. Heart of the generator
vacuole
Membrane-bound compartments. For temporary storage of materials. Plant cell.
chromatin
When a cell divides, the chromatin condenses to form chromosomes. Master set of directions for making proteins is contained here.
flagella
long projections that move with a whip like motion. In unicellular they are major means of locomotion and feeding.
chlorophyll
Green pigment. Traps light energy and gives leaves and stems their green color. Plant cell only.
cytoskeleton
Network of tiny rods and fillaments. Framework for a cell, supports the structure.
golgi apparatus
Flattened stack of tubular membranes that modifies the proteins. Modifies the proteins, sorts protein into packages for membrane-bound structures.
cell wall
A non-living section of the cell membrane, composed of celluse. Provides protection from physical injury, with vacuole, provides skelatal support. Plant Cell
cell membrane
composed of proteins and lipid molecules. Acts as a boundary layer to contain the cytoplasm. It interlocks cells together. It selects chemicals that can pass in and out of cells.
nuclear envelope
A double layer membrane covering the nucleus. It enclosed the contents of nucleus during most of the cells lifestyle.
ribosome
non-membrane spherical composed of RNA and protein. Used in protein synthesis.
lysosome
Are organelles that contain digestive enzymes. Digest excess or worn out organelles, food particles, engulfed viruses or bacteria. Animal cell
endoplasmic reticulum
Organell in euxariatic cell with a series of highly folded membranes surrounded in cytoplasm, rough have ribosomes. Is the site of cellular chemical reactions.
nucleolus
Large spherical domain for nucleous. Ribosomal RNA's are synthesized
plastid
Used for storage. Named according to the color of their pigment. Plant cell only.
mitochondria
Membrane bound organelles. Transform energy for the cell.
micorfilament
Solid protein fibers. Help maintain the shape of the cell.
phospholipid
Eukariotic membrane, highly folded, inner membrane. Bound organells that transform energy stored in food molecules it produces energy. Plant cell.
microtubule
thin hollow cylinders made of protein. Helps maintain the shape of the cell
nucleus
Responsible for cell division. Controls cellular functions.
cilia
Short, numerous projections that look like hairs. Help in locomotion and feeding.

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