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Basic cell structure

302.3 Vet nursing Basic cell structure, physiology and division

QuestionAnswer
Membrane that separates the cell from its environment Cell membrane (plasma membrane)
Embedded on the surface of the cell membrane and help cells recognize other cells Carbohydrates
Layer of fat molecules which makes up the cell membrane Phospholipid bilayer
Fluid that fills the inside of the cell. Cytoplasm
Round or oval structure in the cell which contains genetic material Nucleus
Area of the nucleus where ribosomes are manufactured Nucleoli (one nucleolus)
Powerhouse of the cell Mitochondria
Site of protein synthesis in the cell. Ribosome
Network of membrane lined tubes and cavities in the cytoplasm. Covered in ribosomes and transports proteins. Rough endoplasmic reticulum
Network of membrane lined tubes and cavities in the cytoplasm. No ribosomes and transports lipids and steroids. Smooth endoplasmic reticulum
Stack of flattened sacs in the cytoplasm. Modifies proteins by adding carbs. Forms lysosomes. Golgi apparatus
Small round membrane bound sacs containing digestive enzymes. Lysosomes
Area of the cell involved in pulling the chromosomes apart during cell division Centrosome
Extensions of the plasma membrane that can create a wave like motion. Usually found in large numbers. Cilia
Extension of the plasma membrane that can move the cell using an undulating motion. Usually found singularly. Flagella
7 organelles of the cell Mitochondria, Ribosomes, Rough endoplasmic reticulum, Smooth endoplasmic reticulum, Golgi apparatus, Lysosomes, Centrosome (NOT NUCLEUS)
Cell division seen in autosomal cells Mitosis
Cell division seen in sex cells Meiosis
4 stages of mitosis Prophase -> Metaphase -> Anaphase -> Telophase
What is interphase? Resting phase in between divisions. Normal cell activity.
What is crossing-over in cell division? Occurs during prophase 1 of meiosis. Chromasomes become entangled and can swap pieces of DNA
Created by: 18000305
 

 



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