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CELLS Structure & Function Review
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What is the function of the cell membrane?
Controls what enters or leaves cell; When DNA is spread out in the nucleus of a cell of non-dividing cells it is called ____________. chromatin
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Bacteria are ______________ prokaryotes eukaryotes
This storage space is a ___________. vacuole
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Small structure in a cell that performs a specific function
Tell the 3 of the parts of the cell theory. *All living things are made of cells. *Cells are the basic units of structure & function in an organism * Cells are produced from existing cells. Small structure in a cell that performs a specific function organelle
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Name the Cell PEOPLE Robert Hooke German zoologist who
concluded all animals are made of cells _______________________ English scientist who 1st saw “little boxes” in cork and called them cells ___________________ Theodor Schwann Robert Hooke
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Tell which part does it? Cell membrane Centrioles Lysosomes
Mitochondria Burns glucose ____________________ Controls what enters or leaves the cell ___________________ Pulls chromosomes during cell division __________________ Digests unwanted substances or cell parts _______________ Makes proteins ______________________ Contains chromatin ___________________ Cell membrane Centrioles Lysosomes Ribosomes Nucleus
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Name the Cell PEOPLE Rudolph Virchow American biologist who
provided evidence for the Endosymbiotic theory ___________________ German physician who saw dividing cells and reasoned that cells come from existing cells ___________________ Lynn Margulis Rudolph Virchow
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Name the Cell PEOPLE Matthias Schleiden Dutch microscope maker who was
the first to observe LIVING cells ____________________________ Botanist who concluded that ALL PLANTS are made of cells ______________________________ Anton van Leeuwenhoek Matthias Schleiden
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An animal cell is a ____________. prokaryote eukaryote
This organelle is the ____________ Rough ER
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Name the organelle which is called the “power plant” of the cell
Name an organelle that assists with movement Cilia OR flagella OR CYTOSKELETON Name the organelle which is called the “power plant” of the cell because it provides energy mitochondrion
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Name the molecule that provides the energy for cell activities
Name the storage space that is larger in plants than animals. vacuole Name the molecule that provides the energy for cell activities ATP
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Name the organelle that acts as the cell’s control center.
Cells that have a cell membrane but NOT a nuclear membrane are ________________ prokaryotes Name the organelle that acts as the cell’s control center. nucleus
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Phospholipids & proteins
Cell membranes are made of these 2 main kinds of molecules. Phospholipids & proteins Name another kind of molecule that could also be found in an animal cell membrane Steroids (lipids) OR glycoproteins
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Name the dark spot in the nucleus of a cell where ribosomes are made.
nucleolus Membranes that allow certain molecules to pass through and not others are said to be ___________________ permeable. Selectively OR semi-
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Programmed cell death or “cell suicide” for the good of the organism
Apoptosis Proteins are made on the __________ in a cell. ribosomes
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Tell which part does it? Mitochondria chromatin Rough ER Smooth ER
Makes lipids for membranes ____________________ Stores energy as ATP ___________________ Spread out DNA __________________ Modifies & transports proteins made on its ribosomes ____________________ Regulates calcium levels in muscle cells ________________ Supports and protects plant cells ___________________ smooth ER Mitochondria chromatin Rough ER Smooth ER Cell wall
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In what kind of cell would you expect to see chromatin?
dividing non-dividing Non-dividing Thylakoid stacks would be seen inside _____________________ Mitochondria Golgi bodies chloroplasts chloroplasts
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What’s the function? Make proteins support; protection
Mitochondria ____________________ Ribosomes ___________________ Cell wall __________________ Golgi bodies ____________________ Centrioles ________________ Smooth ER ___________________ burn glucose; make ATP Make proteins support; protection Package molecules for storage or export Pull chromosomes apart during cell division Make steroids in gland cells; regulate calcium in muscle cells; Break down toxins in liver
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Cell organelles that burn glucose and store energy as ATP.
mitochondria This structure is a __________ flagellum
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Cytoskeleton, cilia, flagella, OR centrioles
Name an organelle that is made of microtubules Cytoskeleton, cilia, flagella, OR centrioles A membrane protein with carbohydrates attached to its surface that functions in cell identification is called a ____________________ glycoprotein
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Tell which part does it? nuclear envelope Cilia or flagella
Mitochondria Makes ATP ____________________ Controls what enters or leaves the nucleus _________________ Help cell move __________________ Modify, sort, & package substances for transport _________________ Makes ribosomes ______________________ Control center of cell ___________________ nuclear envelope Cilia or flagella Golgi bodies nucleolus Nucleus
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Name an organelle besides the nucleus that has DNA
Mitochondria OR chloroplasts Tell one difference between cilia and flagella. Cilia- many, shorter Flagella-one or two, longer
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Name this part. GOLGI BODY chloroplasts
Name this part. GOLGI BODY According to the Endosymbiotic theory, which organelle probably evolved from photosynthesizing bacteria that were incorporated into early prokaryotic cells? chloroplasts
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Name an organelle besides the nucleus that has a double membrane
Mitochondria OR chloroplasts Give 2 kinds of evidence that support the Endosymbiotic theory. Mitochondria and chloroplasts: have circular DNA like bacteria divide using binary fission like bacteria have molecules in their inner membranes like bacteria have ribosomes like bacteria
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Tell which part does it? cytoskeleton flagella cristae chloroplast
Contains genetic info __________________ Give cell shape/support ____________ Few, long structures for locomotion __________________ Provide more surface area inside mitochondria _________________ Place for photosynthesis __________________ Large storage space ___________________ nucleus cytoskeleton flagella cristae chloroplast vacuole
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Name this part. Smooth ER mitochondria
Name this part. Smooth ER According to the Endosymbiotic theory, which organelle probably evolved from aerobic bacteria that were incorporated into early prokaryotic cells? mitochondria
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Membrane bound sac that contains digestive enzymes.
Endoplasmic reticulum with ribosomes attached is called _________ ER. rough Membrane bound sac that contains digestive enzymes. lysosome
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This organelle makes ATP.
mitochondrion Because the phospholipids in a cell membrane form 2 layers it is called a _____________. bilayer
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smooth _________ ER does NOT have ribosomes attached The _______________ is made of microfilaments and microtubules and helps the cell to maintain its shape. cytoskeleton
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The yellow part of this phospholipid molecule stays on the outside of the bilayer next to the water environment because it is ______________. polar nonpolar polar
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Pancake-like stack of membranes that modify, sort, &package substances
What is the job of the ribosomes? Make proteins Pancake-like stack of membranes that modify, sort, &package substances for transport. Golgi body
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Tell which part does it? Mitochondria chromosomes Nuclear pores
smooth ER Breaks down toxins ____________________ Power plant ___________________ Scrunched up DNA __________________ Allows molecules in & out of nucleus ____________________ Sacs inside chloroplasts ________________ Supports and protects bacterial cells ___________________ Mitochondria chromosomes Nuclear pores thylakoids Cell wall
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Name a cell part that has this 9 + 2 arrangement of microtubules
Cilia OR flagella Organelle in a plant or animal cell that contains the cell’s genetic material. nucleus
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Ribosomes are made of __________ & __________
The folded inner membrane in the mitochondria which help to increase the surface area for chemical reactions is called the _______________. cristae Ribosomes are made of __________ & __________ Protein RNA
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B; sticks on the surface of the membrane
Which of these proteins is a peripheral protein? B; sticks on the surface of the membrane
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What is the function of the Rough ER?
Modify and transport molecules made by its ribosomes This organelle is a _____________ Golgi Body
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What’s the function? Contain DNA; control center support; give shape
modify/transport proteins rough ER ____________________ nucleus ___________________ cytoskeleton __________________ cell membrane ____________________ chloroplast ________________ vacuole ___________________ nucleolus ________________________ Contain DNA; control center support; give shape Control what enters/leaves cell photosynthesis Stores water, food, molecules, waste Make RNA for ribosomes
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A plant cell is a ______________. prokaryote eukaryote
This organelle contains the molecules for photosynthesis. chloroplast
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Name the folded membranes found inside mitochondria
Name the sacs found inside chloroplasts that contain the molecules for photosynthesis thylakoids Name the folded membranes found inside mitochondria cristae
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A; sticks INto the membrane
Which of these proteins is an integral protein? A; sticks INto the membrane
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Cells that have a nuclear membrane are called ________________
The many short structures on the top of this cell are __________ cilia Cells that have a nuclear membrane are called ________________ eukaryotes
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The cytoskeleton is made of ______________ & ______________
The organelle that regulates calcium in muscle cells, makes lipids for membranes, and breaks down toxins in liver cells is the ____________________ Smooth ER The cytoskeleton is made of ______________ & ______________ Microfilaments microtubules
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The blue part of this phospholipid molecule stays inside the membrane away from water because it is ______________. polar nonpolar Non polar
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A B C D E A = ________________ B = ________________
Cell membrane Rough ER nucleus Golgi Body Mitochondrion
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Tell what this molecule does
Tell what this molecule does “self” identification Tell what this molecule does Store and transfer energy
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Put in order of increasing size:
Organ cell organ system organism tissue _______ _________ _________ _____________ ______________ organ cell tissue organ system organism
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Name a cell part that would use this molecule
It is an amino acid; ribosomes use it to make proteins Name the cell part that makes this molecule mitochondria
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Put the following cells in order of decreasing size:
Bacterium Plant cell Animal cell _________ ________ _________ small smaller smallest Plant Animal Bacterium
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FALSE; All cells have a cell membrane on the outside
True or False Bacteria don’t have a CELL membrane. FALSE; All cells have a cell membrane on the outside Name one of the functions of Smooth ER Make lipids for membranes, regulate calcium levels, Break down toxic substances
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Name an organelle besides the cell nucleus that has its OWN DNA
Mitochondria OR chloroplasts A group of cells that work together to carry out a specific function are called a _______________ tissue
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Name this molecule found in cell membranes
phospholipid Name this cell part centriole
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Name this molecule found in cell membranes
Name this molecule found in cell membranes glycoprotein Name this molecule ATP Image by Riedell
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Plant cells don’t have centrioles
True or False Bacteria don’t have ribosomes. False; Yes, they do Ribosomes aren’t made of membranes True or False Plant cells don’t have centrioles True; at least we can’t see them
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Mitochondria OR chloroplasts
Name an organelle besides the cell nucleus that is surrounded by a DOUBLE membrane Mitochondria OR chloroplasts A group of organs that work together to carry out a specific function are called an _______________ Organ system
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apoptosis Name the process by which your fingers
and toes formed from paddle-like structures and your tail disappeared? apoptosis
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You would expect to see cristae inside a ________________
Centrioles are only seen in __________________________ cells. Dividing animal You would expect to see cristae inside a ________________ mitochondrion
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Endoplasmic reticulum without ribosomes attached is called
Cells that need a lot of energy probably have a lot of ______________ Golgi bodies Smooth ER mitochondria centrioles mitochondria Endoplasmic reticulum without ribosomes attached is called _____________________ Smooth ER
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selectively permeable
A membrane that lets certain molecules pass through and not others is called _______________ Semi permeable OR selectively permeable
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The ___________ is the basic unit of life. cell
What do ribosomes make? proteins
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Tell one way plant cells and animal cells are alike?
Both: are eukaryotes have a nuclear membrane have membrane bound organelles have a cell membrane have DNA in multiple chromosomes
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Tell one way plant cells and bacterial cells are alike?
Both: have a cell wall have a cell membrane have DNA have a cytoskeleton have ribosomes
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Tell one way animal cells and bacterial cells are alike?
Both: have a cell membrane have DNA have a cytoskeleton have ribosomes
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Tell one way plant cells are different from animal cells?
PLANTS ANIMALS Have cell wall NO cell wall Have chloroplasts No chloroplasts no centrioles have centrioles Big vacuole small vacuole
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Tell one way plant cells are different from bacteria cells?
PLANTS Bacteria Eukaryotes prokaryotes Have chloroplasts No chloroplasts Cellulose peptidoglycan in cell wall in cell wall Big vacuole no vacuole nucleus no nucleus Membrane bound organelles No membrane bound organelles
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Tell one way animal cells are different from bacteria cells?
Animal Bacteria Eukaryotes prokaryotes No cell wall cell wall vacuole no vacuole nucleus no nucleus Membrane bound organelles No membrane bound organelles Centrioles no centrioles
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