CELLS Structure & Function Review

CELLSStructure & Function

Review

What is the function of the cell membrane?

Controls what enters or leaves cell;

Bacteria are ______________ prokaryotes eukaryotes

prokaryotes

This storage spaceis a ___________.vacuole

http://library.thinkquest.org/3564/Cells/cell93.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 performsa specific function

organelle

Tell which part does it?

Burns glucose ____________________

Controls what enters or leaves the cell ___________________

Pulls chromosomesduring cell division __________________

Digests unwanted substances or cell parts _______________

Makes proteins ______________________

Contains chromatin ___________________

Mitochondria

Cell membrane

Centrioles

Lysosomes

RibosomesNucleus

An animal cell is a ____________. prokaryote eukaryote

eukaryote

This organelle isthe ____________Rough ER

http://www.biology4kids.com/files/cell_er.html

Name an organelle that assists withmovement

Cilia OR flagella OR CYTOSKELETON

Name the organelle which is called the “power plant” of the cellbecause 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 membranebut 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 the dark spot in the nucleus of a cell where ribosomes are made.

nucleolus

Membranes that allow certain moleculesto pass through and not others are saidto be ___________________ permeable.Selectively OR semi-

Proteins are made on the __________ in a cell.

ribosomes

Tell which part does it? Makes lipids

for membranes ____________________

Stores energy as ATP ___________________

Modifies & transports proteins

made on its ribosomes ____________________

Regulates calcium levelsin muscle cells ________________

Supports and protectsplant cells ___________________

smooth ERMitochondria

Rough ER

Smooth ER

Cell wall

What’s the function? Mitochondria ____________________

Ribosomes ___________________

Cell wall __________________

Golgi bodies ____________________

Centrioles ________________

Smooth ER ___________________

burn glucose; make ATPMake proteins

support; protectionPackage molecules for storage

or exportPull chromosomes apart during

cell divisionMake steroids in gland cells; regulate calcium in muscle cells; Break down toxins in liver

Cell organelles that burnglucose and store energy as ATP.

mitochondria

This structureis a __________flagellum

Name an organelle that is made of microtubules

Cytoskeleton, cilia, flagella, OR centrioles

Tell which part does it? Makes ATP ____________________

Controls what enters or leaves the nucleus _________________

Help cell move __________________

Modify, sort, & package

substances for transport _________________

Makes ribosomes ______________________

Control center of cell ___________________

Mitochondria

nuclear envelope

Cilia or flagella

Golgi bodiesnucleolus

Nucleus

Name an organelle besides the nucleus that has DNA

Mitochondria OR chloroplasts

Tell one difference between cilia and flagella.

Cilia- many, shorterFlagella-one or two, longer

Name this part.

http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/AnimalCells.html

GOLGI BODY

Name an organelle besides the nucleus that has a double membrane

Mitochondria OR chloroplasts

Tell which part does it?

Contains genetic info __________________

Give cell shape/support ____________

Few, long structuresfor locomotion __________________

Place for photosynthesis __________________

Large storage space ___________________

nucleuscytoskeleton

flagellachloroplast

vacuole

Name this part.

http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/A/AnimalCells.html

Smooth ER

Endoplasmic reticulum with ribosomes attached is called _________ ER.

rough

Membrane bound sac thatcontains digestive enzymes.

lysosome

This organellemakes ATP.

mitochondrion

Because the phospholipids in a cellmembrane form 2 layers it is called a _____________.bilayer

_________ ER does NOT haveribosomes attached

smooth

The _______________ is made of microfilaments and microtubules andhelps the cell to maintain its shape.

cytoskeleton

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

What is the job of the ribosomes?

Make proteins

Pancake-like stack of membranesthat modify, sort, &package substances for transport.

Golgi body

Tell which part does it? Breaks down toxins ____________________

Power plant ___________________

Allows molecules in &out of nucleus ____________________

Supports and protectsbacterial cells ___________________

smooth ERMitochondria

Nuclear pores

Cell wall

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

Ribosomes are made of __________ & __________Protein RNA

What is the function of the Rough ER?

Modify and transport molecules madeby its ribosomes

This organelle is a _____________Golgi Body

http://vilenski.org/science/safari/cellstructure/golgi.htm

What’s the function? rough ER ____________________

nucleus ___________________

cytoskeleton __________________

cell membrane ____________________

chloroplast ________________

vacuole ___________________

nucleolus ________________________

modify/transport proteinsContain DNA; control center

support; give shapeControl what enters/leaves cellphotosynthesis

Stores water, food, molecules, wasteMake RNA for ribosomes

A plant cell is a ______________. prokaryote eukaryote

eukaryote

This organelle contains the moleculesfor photosynthesis.

chloroplast

The many short structures on the top of thiscell are __________cilia

Cells that have a nuclear membraneare 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 ______________.

polar nonpolar

Non polar

A = ________________

B = ________________

C = ________________

D= _________________

E= __________________

A

Cell membrane

B

C

DE

Rough ER

nucleusGolgi BodyMitochondrion

Put the following cells in order of decreasing size:

Bacterium Plant cell Animal cell

_________ ________ _________ small smaller smallest

Plant Animal Bacterium

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 ERMake 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

Name this molecule found

in cell membranes

phospholipid

http://biology.clc.uc.edu/courses/bio104/cells.htm

True or FalseBacteria don’t have ribosomes.

False; Yes, they doRibosomes 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

Cells that need a lot of energy probably have a lot of ______________

Golgi bodies Smooth ER mitochondria centrioles

mitochondria

Endoplasmic reticulum withoutribosomes attached is called_____________________Smooth ER

A membrane thatlets certain molecules pass

through and not others is called_______________Semi permeable OR

selectively permeable

http://www.d.umn.edu/~sdowning/Membranes/membraneImages/jpegimages/diffusionmedium.jpg

The ___________ is the basic unit of life.

cell

What do ribosomes make?

proteins

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 NO cell wallHave chloroplasts No chloroplasts no centrioles have centriolesBig vacuole small vacuole

Tell one way plant cells are different from bacteria cells?

PLANTS BacteriaEukaryotes prokaryotesHave chloroplasts No chloroplastsCellulose peptidoglycan

in cell wall in cell wallBig vacuole no vacuolenucleus no nucleusMembrane bound organelles No membrane bound

organelles

Tell one way animal cells are different from bacteria cells?

Animal BacteriaEukaryotes prokaryotesNo cell wall cell wallvacuole no vacuolenucleus no nucleusMembrane bound organelles No membrane bound

organellesCentrioles no centrioles