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J.Sills Cells/Organe

J.Sills Cells and Organelles

cell basic unit of life; able to carry out all life processes
eukaryotic cell complex cell with a nucleus and most organelles "Eu" rhymes with "Nu" = "YOU"
prokaryotic cell simple cell without a nucleus or most organelles "pro" rhymes with "no" (nucleus)
nucleus control center of the cell; contains DNA instructions; "brain" of the cell
ribosomes make proteins
mitochondria site of cellular respiration in cells; makes energy (ATP) from glucose . Cells "powerhouse."
chloroplast site of photosynthesis in plants; makes sugar called glucose
cell membrane (function) barrier between cell and environment that controls what enters and exits a cell
cell wall (function) provides support and structure for plant cells
Rough ER (Endoplasmic Reticulum) transports molecules like lipids and proteins throughout the cell. cells "highway" system
Golgi body sorts and packages proteins, lipids, and other molecules for transport. Cells "post office"
vacuole used for temporary storage of waste, water, food, and other materials in cells. like the cells "trash can"
centrioles used for cell division in animal cells
cilia short hair-like projections used for movement "silly little hairs"
flagella long whip-like projection used for movement
pseudopodia method of movement that uses cytoplasmic projections; "false foot"
cytoplasm "jelly-like" substance inside a cell that holds organelles in place.
lysosome breaks down old and damaged organelles and contains enzymes for cellular digestion. Cells "clean-up crew"
cell membrane (component) made up of phospholipids
cell wall (component) made of cellulose
DNA genetic information located in the nucleus of eukaryotes or free-floating in prokaryotes
eukaryotes (examples) plant, animal, and yeast cells
prokaryotes (examples) bacteria
cytoskeleton gives cells shape
nucleolus inside nucleus; makes ribosomes
organelle parts of the cell that do specific jobs; "tiny organs"
bacteria a prokaryote; a one-celled organism with no nucleus and very few organelles
bacteriophage a virus that infects and replicates inside of a bacteria
toxin a poison
vaccine an injection of a killed microbe/germ to build immunity against it
hemoglobin protein in blood that carries oxygen
Nuclear Membrane double barrier around the nucleus; protects DNA
Feedback loops important for maintaining homeostasis. Body responds either positive or negative
Negative feedback loop process where the end product causes less of an action to occur.
Positive feedback loop process where the end product causes more of an action to occur.
Cell Specialization/ Differentiation process where generic cells can become specific cells with specific jobs.
Chromatin inside nucleus; long, tangled strands of DNA
Smooth ER makes lipids
Created by: jsills
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