CELLS Structure Function Review What is the function
- Slides: 66
CELLS Structure & Function Review
What is the function of the cell membrane? Controls what enters or leaves cell; When DNA is loosely packed and spread out in the nucleus of a cell of non-dividing cells it is called ______. chromatin
prokaryotes Bacteria are _______ prokaryotes eukaryotes This storage space is a ______. vacuole http: //library. thinkquest. org/3564/Cells/cell 93. gif
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
Name the Cell PEOPLE German zoologist who concluded all animals Theodor Schwann are made of cells ____________ English scientist who 1 st saw “little boxes” in cork and called them cells __________ Robert Hooke
Tell which part does it? Mitochondria Burns glucose __________ Controls what enters Cell membrane or leaves the cell __________ Guides chromosomes Centrioles during cell division _________ Digests unwanted Lysosomes substances or cell parts ________ Ribosomes Makes proteins ___________ Nucleus Contains chromatin __________
Name the Cell PEOPLE American biologist who provided evidence for Lynn Margulis the Endosymbiotic theory __________ German physician who saw dividing cells and reasoned that cells come from existing cells. Rudolph Virchow __________
Name the Cell PEOPLE Dutch microscope maker who was the first to observe LIVING cells Anton van Leeuwenhoek ______________ Botanist who concluded that ALL PLANTS are made of cells _______________ Matthias Schleiden
eukaryote An animal cell is a ______. prokaryote eukaryote This organelle is the ______ Rough ER http: //www. biology 4 kids. com/files/cell_er. html
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
Name the storage space that is larger in plants than animals. vacuole Name the molecule that provides the energy for cell activities ATP
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
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 OR glycoproteins
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 __________ Selectively OR semi- permeable.
Programmed cell death or “cell suicide” for the good of the organism Apoptosis ribosomes Proteins are made on the _____ in a cell.
Tell which part does it? Makes lipids for membranes __________ smooth ER Mitochondria Stores energy as ATP __________ chromatin Spread out DNA _________ Modifies & transports proteins made on its ribosomes __________ Rough ER Regulates calcium levels Smooth ER in muscle cells ________ Supports and protects Cell wall plant cells __________
In what kind of cell would you expect to see chromatin? Non-dividing non-dividing Thylakoid stacks would be seen inside chloroplasts ___________ Mitochondria Golgi bodies chloroplasts
What’s the function? Mitochondria __________ burn glucose; make ATP Make proteins Ribosomes __________ Cell wall _________ support; protection Golgi bodies __________ Package molecules for storage Centrioles or export ________ Guide chromosomes apart during cell division Smooth ER Make __________ steroids in gland cells; regulate calcium in muscle cells; Break down toxins in liver
Cell organelles that burn glucose and store energy as ATP. mitochondria This structure Flagellum is a _____ (pl. flagella)
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 __________
Tell which part does it? Mitochondria Makes ATP __________ Controls what enters nuclear envelope or leaves the nucleus _________ Cilia or flagella Help cell move _________ Modify, sort, & package Golgi bodies substances for transport _________ nucleolus Makes ribosomes ___________ Nucleus Control center of cell __________
http: //users. rcn. com/jkimball. ma. ultranet/Biology. Pages/A/Animal. Cells. html 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
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
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 lipids in their inner membranes like bacteria have ribosomes like bacteria
Tell which part does it? Contains genetic info _________ nucleus cytoskeleton Give cell shape/support ______ Few, long structures flagella for locomotion _________ Provide more surface cristae area inside mitochondria _________ chloroplast Place for photosynthesis _________ vacuole Large storage space __________ Intracellular highway ___________ Rough ER
http: //users. rcn. com/jkimball. ma. ultranet/Biology. Pages/A/Animal. Cells. html 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
Endoplasmic reticulum with ribosomes attached is called rough ER. _____ Membrane bound sac that contains digestive enzymes. lysosome
This organelle makes ATP. mitochondrion Because the phospholipids in a cell membrane form 2 layers it is called a _______. bilayer
Smooth ER does NOT have _____ ribosomes attached The ________ is made of cytoskeleton microfilaments and microtubules and helps the cell to maintain its shape.
The yellow part of this phospholipid molecule stays on the outside of the bilayer next to the water environment because it is _______. polar nonpolar
What is the job of the ribosomes? Make proteins Pancake-like stack of membranes that modify, sort, &package substances for transport. Golgi body
Tell which part does it? smooth ER Breaks down toxins __________ Mitochondria Power plant __________ Tightly scrunched up DNA _________ chromosomes Allows molecules in & Nuclear pores out of nucleus __________ Sacs inside chloroplasts ________ thylakoids Supports and protects Cell wall bacterial cells __________
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
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 _____ & _____
http: //www. tqnyc. org/NYC 040844/animalcells. htm Which of these proteins is a peripheral protein? B; sticks on the surface of the membrane
What is the function of the Rough ER? Modify and transport molecules made by its ribosomes This organelle is a _______ Golgi Body http: //vilenski. org/science/safari/cellstructure/golgi. htm
What’s the function? modify/transport proteins rough ER __________ Contain DNA; control center nucleus __________ cytoskeleton _________ support; give shape cell membrane __________ Control what enters/leaves cell chloroplast ________ photosynthesis water, food, molecules, waste vacuole Stores __________ Make RNA for ribosomes nucleolus ____________
eukaryote A plant cell is a _______. prokaryote eukaryote Name the organelle that carries out photosynthesis. chloroplast
Name the sacs found inside chloroplasts that contain the molecules for photosynthesis thylakoids Name the folded membranes found inside mitochondria cristae
http: //www. tqnyc. org/NYC 040844/animalcells. htm Which of these proteins is an integral protein? A; sticks INto the membrane
The many short structures on the top of this cell are _____ cilia Cells that have a nuclear membrane are called ________ eukaryotes
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 _______
The blue part of this phospholipid molecule stays inside the membrane away from water because it is Non polar _______. polar nonpolar
A B C D E A = ________ Cell membrane Rough ER B = ________ nucleus C = ________ Golgi Body D= _________ Mitochondrion E= _________
http: //faculty. clintoncc. suny. edu/faculty/Michael. Gregory/files/Bio%20101%20 Lectures/Membranes/membrane. htm Tell what this molecule does “self” identification Tell what this molecule does Store and transfer energy
Put in order of increasing size: Organ cell organ system organism tissue organ tissue cell _________ organ system _______ organism _______
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
Put the following cells in order of decreasing size: Bacterium Plant cell Animal cell Plant Animal _________ Bacterium smaller smallest
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
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 tissue a ________
Name this molecule found in cell membranes http: //biology. clc. uc. edu/courses/bio 104/cells. htm phospholipid Name this cell part centriole http: //www. beyondbooks. com/lif 71/4 a. asp
http: //faculty. clintoncc. suny. edu/faculty/Michael. Gregory/files/Bio%20101%20 Lectures/Membranes/membrane. htm Name this molecule found in cell membranes glycoprotein Name this molecule ATP Image by Riedell
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
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
Name the process by which your fingers and toes formed from paddle-like structures and your tail disappeared? apoptosis http: //www. mgm. ufl. edu/images/bharfe/image 3. jpg http: //www. nurseminerva. co. uk/tail_bud. htm
Centrioles are only seen in _____________ cells. dividing animal You would expect to see cristae inside a ________ mitochondrion
Cells that need a lot of energy probably have a lot of _______ mitochondria Golgi bodies Smooth ER mitochondria centrioles Endoplasmic reticulum without ribosomes attached is called ___________ Smooth ER
A membrane that lets certain molecules pass through and not others is called ________ Semi permeable OR selectively permeable http: //www. d. umn. edu/~sdowning/Membranes/membrane. Images/jpegimages/diffusionmedium. jpg
The ______ cell is the basic unit of life. What do ribosomes make? proteins
Tell why cells switch their DNA between chromatin and chromosome forms Chromosomes-tightly packed so easy to move during cell division; Chromatin-loosely packed and spread out so it is easier to read and get information when cell is “doing its job”
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
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
Tell one way animal cells and bacterial cells are alike? Both: have a cell membrane have DNA have a cytoskeleton have ribosomes
Tell one way plant cells are different from animal cells? PLANTS ANIMALS Have cell wall Have chloroplasts no centrioles Big vacuole NO cell wall No chloroplasts have centrioles small vacuole
Tell one way plant cells are different from bacteria cells? PLANTS Bacteria Eukaryotes Have chloroplasts Cellulose in cell wall Big vacuole nucleus Membrane bound organelles prokaryotes No chloroplasts peptidoglycan in cell wall no vacuole no nucleus No membrane bound organelles
Tell one way animal cells are different from bacteria cells? Animal Bacteria Eukaryotes No cell wall vacuole nucleus Membrane bound organelles prokaryotes cell wall no vacuole no nucleus No membrane bound organelles no centrioles Centrioles
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