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BIO 253 - Quiz 2 Questions and Complete Solutions Graded A+
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BIO 253 - Quiz 2 Questions and Complete Solutions Graded A+
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BIO 253 - Quiz 2 Questions and Complete Solutions Graded A+Denning Muriithi [Date] [Course title] BIO 253 - Quiz 2
.Define cell Correct Ans: Basic unit of life
2.Parts of cell Correct Ans: - Nucleus
-Cytoplasm
-Cell membrane
-Organelles
3.Cell membrane Correct Ans: - Selectively permeable
-Made from lipids & protein
-Phospholipid bilayer with tails pointing inward
-Has channels
4.Cytoplasm Correct Ans: - Jelly-like fluid made of actin
-Cytosol + organelles = fluid portion of cell
5.Organelle Correct Ans: Ribosomes Correct Ans: - Participate in the translation of RNA to proteins
-Attached to RER
-Made in nucleus
6.Organelle Correct Ans: RER Correct Ans: - Has ribosomes & makes protein
-Next to nucleus
-Rough
7.Organelle Correct Ans: SER Correct Ans: - Makes lipids & steroids
-Next to RER
-Shiny & smooth
8.Organelle Correct Ans: Vesicles Correct Ans: - Membrane sac
-Stores/transports
9.Organelle Correct Ans: Golgi Apparatus Correct Ans: - Stacks of vesicles
-UPS center responsible for transport
-Refines, packages, delivers proteins made in the RER
10.Organelle Correct Ans: Mitochondria Correct Ans: - Makes ATP
-Powerhouse
-Has an inner & outer membrane
11.Organelle Correct Ans: Lysosomes Correct Ans: - Protects
-Has enzymes to break down material
-Garbage disposal
12.Centrosomes Correct Ans: - Central body
-Always in pairs
-Sac that contains pairs of centrioles
13.Cilia Correct Ans: - Hairlike projection on cell membrane
-Aids in movement & defense
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