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- 1. Multiple ChoiceThe type of polysaccharide which serves as a strengthening tissue in the cell wall of plants iscelluloseglucoselactosefructose
- 2. Multiple ChoiceProteins are composed of what smaller building blocks?amino acidsnucleic acidsfatty acidsnucleotides
- 3. Multiple ChoiceProteins are composed of what smaller building blocks?amino acidsnucleic acidsfatty acidsnucleotides
- 4. Multiple ChoiceWhich group of organic molecules serve as long-term energy storage and make the cell membrane is?proteinscarbohydrateslipidsnucleic acids
- 5. Multiple ChoiceThe primary purpose the body uses monosaccharides for is?Building musclesHelping the Immune SystemImmediate EnergyGenerating Heat
- 6. Multiple ChoiceBuilding blocks of polymers.monomerpolypeptidemonosaccharideglycerol
- 7. Multiple Choice
Attractions between water molecules are calledCovalent bondsIonic bondsPolar bondsHydrogen bonds - 8. Multiple ChoiceBased on the graph, what temperature does this enzyme work best?15 C40 C30 C
- 9. Multiple ChoiceBased on the graph, what temperature does this enzyme work best?15 C40 C30 C
- 10. Multiple ChoiceAlso known as simple sugars, these are the monomers of carbohydrates.lipidsnucleotidemonosaccharidemonomer
- 11. Multiple ChoiceCarbohydrates are made of...C H OC H O NC H O N PC H O N S
- 12. Multiple ChoiceTrue of False. Glycogen is a starch that is found in animals.TrueFalse
- 13. Multiple ChoiceWhat do disaccharides, such as sucrose, and polysaccharides, such as starch, have in common?They are lipids made of fatty acids.They are proteins made of amino acids.They are nucleic acids made of nucleotides.They are carbohydrates made of simple sugars.
- 14. Multiple ChoiceWater is classified as an inorganic compound because itdoes not contain carbondoes not contain nitrogencontains hydrogencontains oxygen
- 15. Multiple ChoiceVegetable oils, such as corn oil, belong to which general class of organic substances?lipidsproteinscarbohydratessalts
- 16. Multiple ChoiceNucleotides are made up of three parts. The three parts are...DNA, RNA, and a sugara lipid, a fat, and an oila carbohydrate, a protein, and a fata sugar, a phosphate, and a base
- 17. Multiple ChoiceThe elements: C H O N typically represent what proportion of an organism's element make up?78%68%96%82%
- 18. Multiple ChoiceAtoms that have the same number of protons but differ in the amount of neutrons are called:IonsIsotopesNoble GasesActinides
- 19. Multiple ChoiceAtoms that have gained or lost electrons are called:IonsIsotopesIsomersNeutrinos
- 20. Multiple ChoiceThe number of protons in a nucleus is given by the:Atomic NumberAtomic MassElectronegativityGroup Number
- 21. Multiple ChoiceHow many valence electrons are in Phosphorus?1539
- 22. Multiple ChoiceFor the quickest source of energy if going for a run, you should eat a food that contains a high percentage ofsodiumproteinfatscarbohydrates
- 23. Multiple Choice
Changes in temperature and pH can decrease an enzyme’s activity by breaking
peptide bonds
hydrogen bonds
amino acids
sulfur bonds
- 24. Multiple ChoiceWhat happens to the speed of a chemical reaction when a catalyst is present?It becomes erratic.It stays the same.It speeds up.It slows down.
- 25. Multiple ChoiceWhat is the term for the amount of energy that needs to be added for a chemical reaction to start?bond energychemical energyactivation energyreactant energy
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