week 2 Cells

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for test 1
Georgia Whiting
Flashcards by Georgia Whiting, updated 10 months ago
Georgia Whiting
Created by Georgia Whiting 10 months ago
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Question Answer
What is an Organelle? a specialised structure inside a cell that has a specific role in cell activity.
What organelle produces ATP? Mitochrondria (Mitochrondrion singular)
What is the function of Rough Endoplasmic Reticulum (ER)? Rough ER and attached ribosomes synthesise proteins
What is the function of the Smooth Endoplasmic Reticulum (ER) Lipid metabolism and specialised functions specific to liver and muscle cells
What is the function of the Golgi complex Sorting and tagging proteins for distribution and secretion. can modify: attach lipids or carbohydrate, break down into smaller hormones
What do Lysosomes do Lysosomes contain digestive enzymes (acid hydrolyses) to break down foreign material, cells or organelles.
What is the nucleus? Control centre of the cell. Contains all the genetic material/instructions on how to function.
What is the cytoskeleton? network of protein fibres involved in: movement, structure and tensile strength
Three types of cellular extension and the function of each Flagella - movement of the cell (sperm) Microvilli - increase surface area/absorbtion Cilia - move substance across the surface
Why does cell diversity occur? due to each cell having different numbers
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