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Chapter 6

Study Guide Questions

QuestionAnswer
Describe what the endomembrane system is of a cell >Consists of: -nuclear envelope -endoplasmic reticulum -golgi apparatus -lysosomes -vacuoles -plasma membrane >synthesizes and transports proteins, metabolism, moves lipids, and detoxifies poisions.
How do the components of the endomembrane system work together? The components work together to regulate protein traffic and perform metabolic functions.
What functions do organelles provide for the cell? -nuclear envelope: separates contents of nucleus from cytoplasm -golgi apparatus: protein factory & transport -lysosomes: digestive compartments (for macromolecules) -vacuoles: storage -plasma membrane: selective permeable boundary that protects cell
How are plant cells different from animal cells? Plant Cells: have cell wall, chloroplasts, large central vacuole Animal Cells: centrosome, lysosome
How are chloroplasts and mitochondria the same? Different? Same:change energy from one form to another chloroplasts: photosynthesis, found in plants mitochondria: cellular respiration, found in plants and animals
What are the roles of the cytoskeleton? Organizes structures & activities in the cell -mechanical support -cell movement
What structures are components of cytoskeleton and what is their funciton? -microtubules: shape & support cell, serve as tracks for organelles w motor proteins to move -cilia/flagella: move fluid over tissue -microfilaments: bears tension to support shape -intermediate filaments:(only in animals) bears tension, more permanent
How are prokaryotic and eukaryotic cells similar and diferent? s: dna, ribosomes, cell membrane, cytoplasm pro:simple, no nucleus, small, peptidoglycan cell wall, unicellular, no organelles. (bacteria/protists) eu:nucleus,chitin/cellulose cell wall, uni/multicellular, organelles (plant/animal/fungi/protists)
Endoplasmic reticulum more than 1/2 total membrane in euk. cells. smooth: lipid synthesis, stores calcium. produce steroids rough:ribosomes attached, membrane factory, secretory proteins
Created by: akierah.w
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