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Bio 201 Exam 2 (chapter 4 & 5) Review Questions and Correct Answers $8.99   Add to cart

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Bio 201 Exam 2 (chapter 4 & 5) Review Questions and Correct Answers

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  • Course
  • BIO 201
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  • BIO 201

The Cell Theory All living things are composed of cells Cells are the basic unit of life Cells can only come from other cells Light microscope Resolution up to 1,000x Electron Microscope SEM- bounced off TEM- through Total surface area height × width × # of sides × # of cubes Total volume he...

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  • September 13, 2024
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  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 201
  • BIO 201
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Bio 201 Exam 2 (chapter 4 & 5) Review
Questions and Correct Answers
The Cell Theory ✅All living things are composed of cells
Cells are the basic unit of life
Cells can only come from other cells

Light microscope ✅Resolution up to 1,000x

Electron Microscope ✅SEM- bounced off
TEM- through

Total surface area ✅height × width × # of sides × # of cubes

Total volume ✅height × width × length × # of cubes

surface to volume ratio ✅volume per cube
total surface area÷ total volume

Common features ✅Plasma membrane
Cytoplasm
Cytosol

Plasma membrane ✅phospholipid bilayer, defines boundary of the cell

Cytoplasm ✅enzyme rich gel-like substance in cell

Cytosol ✅fluid component of cytoplasm

Prokaryotic cell structures ✅DNA in nucleiod
Fimbraie
Conjugation pilus
Plasma membrane
Cell wall
Glycocalyx
Ribosomes
Flagella
Mesosome

Prokaryotic cells store their DNA in a _________ ✅nucleoid

, Fimbraie ✅attachment

Conjugation pilus ✅elongated, hallow appendage use for DNA exchange

Cell wall ✅Provides shape

Glycocalyx ✅gel like coating outside of cell wall
helps retain moisture and aids in cell recognition

Ribosome ✅protein synthesis

Flagella ✅rotating filament present in bacteria, forward movement

Nucleoid ✅location of bacterial chromosome

This regulates enter and exit of molecules ✅plasma membrane

Mesosome ✅Plasma membrane that folds into cytoplasm and increase surface area

Eukaryotic cell structures ✅Nucleus
Nucleolus
Nuclear pore
Double membrane
Ribosomes
Rough ER
Smooth ER
Golgi apparatus
Vesicles
Lysosome
Perioxsome
Vacuole
Mitochondria
Cytoskeleton (actin filaments, intermediate filaments, microtubules,centrioles)
Motor parts (cilia and flagella)

Golgi apparatus ✅receives product from both rough and smooth ER, refines and
repackages products

Vesicle ✅tiny container

Rough ER ✅closest to the nucleus covered in ribosomes
function: make and pack proteins

amylase is made on ribosomes

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