CELLSStructure &

FunctionReview

Which kind of cell is the largest? animal cell plant cell Bacteria

Plant cells are the biggest

What do we call membranes that allow certain molecules to pass through butnot others?

Selectively permeable OR semi-permeable

Which kind of cell is the smallest? animal cell plant cell Bacteria

Bacterial cells are the smallest

Which molecule found in cell membraneshelps cells “recognize self” ?

glycoproteins

Cell membranes are made of these 2 main kinds of molecules.

Phospholipids & proteins

Which cell organelles burnglucose and store energy as ATP?

mitochondria

Phospholipids form bilayers in cell membranes because their

hydrophobic _______ are trying to stay away from water.

tails

Name a cell part with a DOUBLEMEMBRANE around it

Nucleus, mitochondria, chloroplasts

What is the dark spot in thenucleus called?

nucleolus

What do we call DNA that is TIGHTLY PACKED in DIVIDING CELLS?

chromosomes

What is the gel-like material and organelles called inside the cell membrane?

cytoplasm

What do we call DNA that is SPREAD OUT in NON-DIVIDING CELLS?

chromatin

What are the folded membranesinside mitochondria called?

cristae

Which organelle looks like a “stack of pancakes”?

GOLGI body

Tell what this moleculedoes

“self” identification

Tell what this molecule doesStore and

transfer energy

http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20101/Bio%20101%20Lectures/Membranes/membrane.htm

Which part of a phospholipid isHYDROPHILIC? head tails

Heads are hydrophilic

TRUE or FALSEALL CELLS have a cell membrane

TRUE, plant, animal, and bacterialcells all have a CELL membrane

Which part of a phospholipid isHYDROPHOBIC? head tails

Tails are hydrophobic

TRUE or FALSEALL CELLS have a nuclear membrane

FALSE; only plant and animal cells (eukaryotes) have a NUCLEAR membrane. NOT bacteria (prokaryotes)

Tell which part does it? Burns glucose &

stores energy as ATP __________________

Controls what enters or leaves the cell _________________

Sort & package substancesfor transport out of cell _________________

Makes ribosomes ______________________

Control center of cell ___________________

Mitochondria

Cell membrane

Golgi bodies

nucleolus

nucleus

Name this organelle

Mitochondria

What does it do?

Powerplant of cell;Burn glucose and store energy as ATP

Name this molecule foundin cell membranes

phospholipid

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

Name this molecule foundin cell membranes

centrioles

Name this cell part

Pull chromosomes apart

http://www.beyondbooks.com/lif71/4a.asp

_________ ER does NOT haveribosomes attachedSmooth

Organelle in a plant or animal cell that contains the cell’s genetic material.

nucleus

The blue part of this phospholipid molecule stays inside the membrane away from water because it is ______________.

hydrophilic hydrophobic

hydrophobic

Cell suicide for the good of the organism is called ____________APOPTOSIS

Cells that have a nuclear membraneand membranes around their organellesare called ________________eukaryote

s

Name the sacs found inside chloroplasts that contain the molecules for photosynthesis

thylakoids

Centrioles are only found in________ cells

plant animal bacteria

ANIMAL

Name this part.

Tell what it does?

Make lipids/steroids; Regulate calcium;Break down toxins

Smooth ER

Name this cell organelle

Golgi body

Tell what it does

Sort and package molecules for transport out of cell

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

Tell which part does it? Pulls chromosomes apart _________________

Power plant ___________________

Surrounds the DNA & controls what enters/leaves nucleus____________________

Supports and protectsbacterial cells ___________________

Make proteins _______________________

centrioles

Mitochondria

Nuclear membrane

Cell wall

ribosomes

What’s the function? Mitochondria ____________________

Ribosomes ___________________

Cell wall __________________

Golgi bodies ____________________

Centrioles ________________

Smooth ER ___________________

Power plant;burn glucose; make ATP

Make proteins

support; protection

Package molecules for export

Pull chromosomes apart

Make steroids; regulate calcium; Break down toxins in liver

What’s the function? Rough ER ____________________

nucleus ___________________

cell membrane ____________________

chloroplast ________________

vacuole ___________________

nucleolus ________________________

Highway in cell

Contains DNA; control center

Controls what enters/leaves cell

photosynthesis

Stores water, food, molecules, waste

Make ribosomes

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 DNA ___________________

Mitochondria

Cell membrane

Centrioles

Lysosomes

RibosomesNucleus

Name this molecule found

in cell membranes

glycoprotein

Name this molecule

ATP

http://faculty.clintoncc.suny.edu/faculty/Michael.Gregory/files/Bio%20101/Bio%20101%20Lectures/Membranes/membrane.htm

Image by Riedell

RIBOSE

Tell which part does it? Makes lipids/steroids

for membranes ____________________

Stores energy as ATP _________________

Transports proteins made on its ribosomes _________________

Regulates calcium levelsin muscle cells ________________

Supports and protectsplant cells ___________________

smooth ER

Mitochondria

ROUGH ER

Smooth ER

Cell wall

Endoplasmic reticulum with ribosomes attached is called _________ ER.

rough

Membrane bound sac thatcontains digestive enzymes.

lysosome

A plant cell is a ______________. prokaryote eukaryote

eukaryote

These organelles helps with APOPTOSIS and are also called “suicide sacs”

lysosomes

Cells that DO NOT have a nuclear membrane OR membranes around their organelles are called ________________PROKARYOTES

Name the cell part that makes this moleculeMitochondria make ATP

RIBOSE

Put the following cells in order of decreasing size:

Bacterium Plant cell Animal cell

_________ ________ _________ small smaller smallest

Plant Animal Bacterium

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 the process by which your fingersand toes formed from paddle-likestructures and your tail disappeared?

apoptosis

http://www.mgm.ufl.edu/images/bharfe/image3.jpg

http://www.nurseminerva.co.uk/tail_bud.htm

Bacteria are ______________ prokaryotes eukaryotes

prokaryotes

This storage spaceis a ___________.vacuole

http://library.thinkquest.org/3564/Cells/cell93.gif

An animal cell is a ____________. prokaryote eukaryote

eukaryote

Name the molecule that makes plantcell walls sturdy

cellulose

Name the storage space that is larger in plants than animals.

vacuole

Name the molecule that provides the energy for cell activities

ATP

Name the molecule found inBacterial cell walls that makes them

different from plants

peptidoglycan

Thylakoid stacks would be seen inside_____________________

Mitochondria Golgi bodies chloroplasts

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

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