Chapter 3 Test Chapter 3 Test ReviewReview

Name the characteristics found in Name the characteristics found in carbohydrates.carbohydrates. CarbonCarbon HydrogenHydrogen OxygenOxygen Ratio is 1 Carbon : 2 Hydrogen : 1 OxygenRatio is 1 Carbon : 2 Hydrogen : 1 Oxygen The large molecules can be broken down into The large molecules can be broken down into

smaller molecules that are exactly alike.smaller molecules that are exactly alike.

Name the characteristics found in proteinsName the characteristics found in proteins Made of carbon, hydrogen, oxygen and Made of carbon, hydrogen, oxygen and

nitrogennitrogen Has a globular shape Has a globular shape

Name the characteristics of lipidsName the characteristics of lipids Contains elements Carbon, hydrogen, and Contains elements Carbon, hydrogen, and

oxygenoxygen Contains polar molecules that are insoluble in Contains polar molecules that are insoluble in

waterwater

Name the characteristics of nucleic acidsName the characteristics of nucleic acids Two main typesTwo main types

RNA and DNARNA and DNA Contain hereditary code for proteinsContain hereditary code for proteins Contains oxygens, carbons, and nitrogensContains oxygens, carbons, and nitrogens

What is a covalent bond?What is a covalent bond? When two atoms share an electron equally to When two atoms share an electron equally to

make a bond.make a bond.

What is an ionic bond?What is an ionic bond? When one atom (Na) gives another atom (Cl) When one atom (Na) gives another atom (Cl)

and outershell electron.and outershell electron. Na then becomes positive and Cl becomes Na then becomes positive and Cl becomes

negative.negative.

Know the atomic particles and their Know the atomic particles and their chargescharges ProtonsProtons

Positive, found in the nucleusPositive, found in the nucleus NeutronsNeutrons

No charge, found in the nucleusNo charge, found in the nucleus ElectronsElectrons

Negative, found outside the nucleus in orbitalsNegative, found outside the nucleus in orbitals

True or False: Carbon atoms can be found True or False: Carbon atoms can be found in inorganic compounds.in inorganic compounds. FALSEFALSE Carbon can be branched, straight chained or Carbon can be branched, straight chained or

circular.circular.

Why are enzymes important?Why are enzymes important? Enzymes are proteins that speed up internal Enzymes are proteins that speed up internal

processes.processes. Without enzymes processes would take too Without enzymes processes would take too

long to sustain life.long to sustain life.

What polymer does the monomer What polymer does the monomer nucleotides make?nucleotides make? Nucleic AcidNucleic Acid

What are lipids made of?What are lipids made of? Fatty acids.Fatty acids.

Name some examples of lipids.Name some examples of lipids. Any oilAny oil Vegetable oilVegetable oil Olive oilOlive oil Canola oilCanola oil

What does non polar mean? Which What does non polar mean? Which polymer is non polar?polymer is non polar? Non polar means it can not combine with Non polar means it can not combine with

waterwater Lipids are non polarLipids are non polar

Which molecule is a sugar?

Molecule 1

Organic molecules all contain what Organic molecules all contain what element?element? CARBONCARBON

Why is Carbon the center of all organic Why is Carbon the center of all organic compounds?compounds? Because it can combine with four different Because it can combine with four different

elements at a time.elements at a time.

Energy is found in two forms…what are Energy is found in two forms…what are they?they? ADPADP ATPATP

What do animals store carbohydrates as?What do animals store carbohydrates as? glycogenglycogen

What form do plants store carbohydrates What form do plants store carbohydrates in?in? cellulosecellulose

What is another name for carbohydrates?What is another name for carbohydrates? polysacharridespolysacharrides

Many amino acids make up what polymer?Many amino acids make up what polymer? proteinprotein