BIO 253 - QUIZ 2 QUESTIONS AND ANSWERS 100% SOLVED

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