A. Cell Wall Cell walls are the outermost boundary in ____, _______, and _______. They are not found...
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Transcript of A. Cell Wall Cell walls are the outermost boundary in ____, _______, and _______. They are not found...
![Page 1: A. Cell Wall Cell walls are the outermost boundary in ____, _______, and _______. They are not found in ___________. The primary function of the cell wall.](https://reader036.fdocuments.us/reader036/viewer/2022062409/56649c885503460f94940b81/html5/thumbnails/1.jpg)
A. Cell Wall
• Cell walls are the outermost boundary in ____, _______, and _______.
• They are not found in ___________. The primary function of the cell wall is to provide _____________. The cell wall does not regulate what ___________ the cell.
1. Cell walls of plants are composed of ________2. Cell walls of fungi are composed of __________
plants fungi
bacteria animal cells
structure and support
enters and leaves
cellulose
Chitin
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B. Cell Membrane • Every cell is surrounded by a cell membrane
made of ____________. The cell membrane is selectively permeable which means _______________________________________________________________________. This characteristic is critical in helping the cell maintain _______________. The cell membrane is also called the __________ membrane.
Lipid bilayer
it only allows certain substances in and certain substances out
homeostasis plasma
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IV. INSIDE A EUKARYOTIC CELL
pp. 174-181
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Inside the cell consists of the:
A. Nucleus
B. Cytoplasm- includes the _________ or “cell gel” and the ___________, which means “_________”
Cytosol
organelles Mini organs
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Nucleus
• _____________ of the cell. Genetic information stored as ____________, which is _______wrapped in ________________.
Control center
chromatin
DNA
protein
Found in Both Plants & Animals
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Nucleolus
• Small, dense region in the nucleus. Site of ________________ production
ribosome
Found in Both Plants & Animals
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Nuclear Envelope
• Double _________________ membrane. Has nuclear ___________ which allow _______ to leave the nucleus
phospholipid
pores
RNA
Found in Both Plants & Animals
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Ribosomes
• Tiny, granular organelles located on _________________ or suspended in _________. Site of _________________. All cells (pro & euk) have ribosomes.
Endoplasmic Reticulum
cytosol protein production
Found in Both Plants & Animals
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Rough Endoplasmic Reticulum
• Extensive network continuous with _________________. Called “rough” because it has ________________ all along the membrane. Function of the rough ER is to _____________________. Most of these proteins are packaged into _____________ (like bubbles or sacs) and shuttled to the ____________
nuclear envelope
ribosomes
modify & transport proteins
vesicles
Golgi apparatus
Found in Both Plants & Animals
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Smooth Endoplasmic Reticulum
• Similar to rough ER in structure, except that it lacks ______________. The smooth ER manufactures ________, breaks down _________, detoxifies __________, and ________________.
ribosomes
lipids
glycogen
poisons
stores calcium
Found in Both Plants & Animals
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Golgi Apparatus • Flattened, round sacs that look like a sack
of ________________. Receives, modifies, and ships products by way of ___________ into the ____________________________
pancakes
vesicles
cytosol → cell membrane_
Found in Both Plants & Animals
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Lysosome
• Found in __________ cells. Round sacs containing __________ that _______________ and ______________ used cell components. Also used as defense against _______ and _______________
Both animal & plant
enzymes
break down recycle
bacteria
viruses
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Vacuole
• Sacs that may be used as storage for _______, _________, _________________, or wastes. Plants have a large central vacuole.
water Salts, proteinscarbohydrates
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Mitochondria
• Double-walled organelle with inner folds ____________. ____________Uses _______ to manufacture energy in the form of ______. Mitochondria have their own _______.
to increase
surface area glucose
ATP
DNA
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Chloroplast
• Found in ______ cells. Contain __________ (green pigment) and their own ______. Chloroplasts harvest energy from the ____ to produce ____ through __________.
plant
chlorophyll
DNA
sun
glucose
photosynthesis
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Centrioles
• Found in _________ cells only. Bundles of _________________ that play a role in _________________
animal
microtubules
cell division
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Cytoskeleton • Composed of protein fibers known as _______________
and ______________. Anchor _______________ and provide ______________. Also provide motility for some cells in the form of ___________ or ____________. More extensive cytoskeleton found in __________ cells.
microtubules
microfilaments organelles
structure cilia flagella
animal