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BIO 253 - QUIZ 2 QUESTIONS AND ANSWERS 100% SOLVED

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Define cell - ANSWERBasic unit of life Parts of cell - ANSWER- Nucleus - Cytoplasm - Cell membrane - Organelles Cell membrane - ANSWER- Selectively permeable - Made from lipids & protein - Phospholipid bilayer with tails pointing inward - Has channels Cytoplasm - ANSWER- Jelly-like fluid made of actin - Cytosol + organelles = fluid portion of cell Organelle: Ribosomes - ANSWER- Participate in the translation of RNA to proteins - Attached to RER - Made in nucleus Organelle: RER - ANSWER- Has ribosomes & makes protein - Next to nucleus - Rough Organelle: SER - ANSWER- Makes lipids & steroids - Next to RER - Shiny & smooth Organelle: Vesicles - ANSWER- Membrane sac - Stores/transports Organelle: Golgi Apparatus - ANSWER- Stacks of vesicles - UPS center responsible for transport - Refines, packages, delivers proteins made in the RER

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Uploaded on: July 28, 2025
Number of pages: 4
Written in: 2024/2025
Type: Exam (elaborations)
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bio 253 quiz 2 questions and answers 100 solved
define cell answerbasic unit of life parts of

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BIO 253 - QUIZ 2 QUESTIONS AND
ANSWERS 100% SOLVED
Define cell - ANSWERBasic unit of life

Parts of cell - ANSWER- Nucleus
- Cytoplasm
- Cell membrane
- Organelles

Cell membrane - ANSWER- Selectively permeable
- Made from lipids & protein
- Phospholipid bilayer with tails pointing inward
- Has channels

Cytoplasm - ANSWER- Jelly-like fluid made of actin
- Cytosol + organelles = fluid portion of cell

Organelle: Ribosomes - ANSWER- Participate in the translation of RNA to proteins
- Attached to RER
- Made in nucleus

Organelle: RER - ANSWER- Has ribosomes & makes protein
- Next to nucleus
- Rough

Organelle: SER - ANSWER- Makes lipids & steroids
- Next to RER
- Shiny & smooth

Organelle: Vesicles - ANSWER- Membrane sac
- Stores/transports

Organelle: Golgi Apparatus - ANSWER- Stacks of vesicles
- UPS center responsible for transport
- Refines, packages, delivers proteins made in the RER

Organelle: Mitochondria - ANSWER- Makes ATP
- Powerhouse
- Has an inner & outer membrane

Organelle: Lysosomes - ANSWER- Protects
- Has enzymes to break down material

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BIO 253 - QUIZ 2 QUESTIONS AND ANSWERS 100% SOLVED

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