Honors Biology Unit 2 Test Review Guide PDF

Honors Biology Unit 2- Molecular Structures Unit 2 Test REVIEW GUIDE L.O. 2.1: | can describe the parts of an atom, the different types of bonds and their Importance to the structure and properties of water Use...

Honors Biology Unit 2- Molecular Structures Unit 2 Test REVIEW GUIDE L.O. 2.1: | can describe the parts of an atom, the different types of bonds and their Importance to the structure and properties of water Use the following molecular formula to answer questions 1-3 2C,H,,0, 1. How many molecules are represented? 2. How many atoms of Hydrogen are represented?‘ « Qe { 3. How many atoms are represented? Look up Nitrogen (N) on your periodic table of the elements, and answer questions 4-6 based only on Nitrogen 4. Draw the electron configuration for Nitrogen Draw one concentric circle for each energy level (even if it contains more than one type of orbital) : ° S. How many electrons does Nitrogen have in its outermost energy level? These areqalled VALENCE electrons 5 6. Determine how many bonds Nitrogen will make, and how this number relates to its valence electron number (Think in terms of unpaired electrons in the outermost energy level). 3 ble it has 3 Unpaved valunce ee Cv ¢ 7. Use a Sodium ion ( Na*) to complete the table. Atomic # # p* #e Atomic mass # n° \\ L\ LO ay \2. 8. What is an ionic compound? Ov Corpypouns in onic OOM » Ga ar lose eClochans 9. What is a covalent compound? when Odors Shore elechens fo be stable 10. Determine if bsbin dioxide (CO,) is bonded covalently or ionically. Here’s a hint as to how you can tell: a. is oxygen a metal or a nonmetal? b. is carbon a metal or a nonmetal? c. Two nonmetals bond covalently. A metal & a nonmetal bond ionically. How does CO, bond? CO LUrcHy 11. If Sodium (Na) and Fluorine (F) were to bond, would they make an ionic bond or a covalent bond? Explain. Inc lle tS G& Meta. and a Nonmotag  Honors Biology Unit 2- Molecular Structures 12. What does it mean for a compound to be polar covalently bonded? UNEqQuad shoting of eleckens 13. Why can water dissolve polar or ionic compounds, but not nonpolar compounds like fat? Ac lootn POIOT + IIc Comeands New cracyed_ VEALONS Mnor WARE COM Connect to - 14. Explain hydrogen bonding, and describe it in terms of one of water’s amazing properties. Os magrehe ounratnon, leenwean C+) end of one C ond C-) end of Gaon WYysDgeN leondS WNoid Solid Werke out Lio eee So (ce ts les dense tron water L.O. 2.2: | can explain the meaning of the pH scale and explain how organisms regulate PH as part of homeostasis. "4 1. What are the products of water ionization (dissociation)? \\+ Od OW - 2. What does it mean for a solution to be acidic? mare. K+ 3. What does it mean for a solution to be basic? more OH - 4. What does it mean for a solution to be neutral? = OH Kt 5. Draw the pH scale. Use all of the following words/phrases/abbreviations: peor LC YOHT UT COR" | acidic |ACW Yo”boas e +H) OH e e ro | Ht H*=OH 10H Py ea “| ; ; UL if ice tt " Oder Ht = 0H 6. What acid was used in the pH lab, and how did it work to change the pH of the material? KU donaked WF - 7. What base was used in the pH lab, and how did it work to change the pH of the material? Wad donakd OT  Honors Biology Unit 2- Molecular Structures 8. Describe TWO ways that a biological buffering system works to stabilize the pH of an environment if it becomes too acidic. (.Coold Captere Ht 2-COuld reWase OH L.O. 2.3 | can understand how biomolecules are synthesized, and explain the effects of temperature and pH on enzyme action. 1. How many chemical bonds.will Carbon make, and how is this related to its valence (outer). electrons? Lt Ve \b nas un i 1 eucken! Mo Pavel voWncg 2. inet elemenis are necessary for a mpjesule to be considered ‘Prganic?" C) al 3. What does it mean for a molecule to be polar? Unequal. Shot ing OF eloctens| has - cheegec!. regio 4, What does it mean for a molecule to be nonpolar? S4UAR ShortAa, of Cleekens no choraedk ceghon **5. What kinds of molecules are hydrophilic? in, Polo. 6. What kinds of molecules are hydrophobic? Non edlac 7. Fill in the following table: Biochemical Family Monomers Identify One of the Primary Functions in (building blocks) Humans e Carbohydrates:. ; MOOSACChor Ae. Cina GN “t. » a dsb lycemo + af e Lipids S. Store # Proteins amynd Qcds] OViYMes Cokalure Feadhors e Nucleic Acids NUKE. - BWA holds genenc (IND - uy Wen | Daler a ler {(th reaction. What is the process, and what is the purpose? I OH) WS remoed AD QOIn Molecentos qoyeher 9. Describe a hydrolysis reaction. What is the process, and what is the purpose? Wher WAC OF) 18 added to Splut a molecu BOM itd: 2 Qmawer mMalvcuteo  Honors Biology Unit 2- Molecular Structures hocct are Ol, different types of ry heya What are their Cell od c ch- Plant CL C: XC — Sh TP OnnaL Cnty se “Storsce POM cel wa ance are some of the biological roles of lipids in organisms? STUGUEE Long errr Energy Storage —ho@hckpids matee LD WAMONE Messergesy We Cell memorane 12. What is the difference between unsaturated and saturated fats? ; ONnSatucoded Nove at east ne dase bord tn Ane COrlo0N Chaka , Causing “tt m Lerel 13. What is the R-group of an amino acid and how do amino acids differ? Wnece Of. 10 GMINO GAS Mak Ake only iA mee €- d role Lvel \abole) | | ‘ 14. Describe/draw the four levels of organization for protein molecules: | POM § Chan of amino And s : secon aloy = ploce, helix yechouwy: Spec Ac td ed Shoe ot me entene Qu clecnan = More MAN One, 15. How do enzym affect the progress of a reaction? EMmumes SPeeck OP Ceachais 16. What is the difference between competitive and noncompetitive inhibitors? » Comeetit re Wnirtle rtacw loloUic_an enaymels Otrire Ste SO ne SWhoState Cannot bind. OW COMPA HVE inlibrtor does Not Benakuny me Entame, “ NONCoNpeVE Wikio Clenachices Ane CNAME. 17. Compare and contrast the lock-and- -key mechanism for enzyme action and the induced-fit mechanism 18. Explain reusability of enzymes and/or substrates. enymos Cre UNcranged Wn ME TEACKEN $0 Wen) COM ioe «Cucect_ eS Sulostoes ace chonaged, & O hoy, Ceme C ann ot lye  Honors Biology Unit 2- Molecular Structures 19. Are enzyme-catalyzed reactions always decompositions? Explain. NO= SUNMES TEACHNS (CG loLUlding glycogen - Co Stood e> ALSO CEG OIL CAUNOS, ) 20. What does cold do to enzyme activity? Explain. Slows dam mowouwor MOhGa {ouch dees nob XE Nadine Me Enruyne | 21. What does heat do enzyme activity? Explain. Speeds oe Mae Culac moon Whuch Can Voreasxc NUudrogern bonds and denature. ne ON UAL 22. What does a change in pH do enzyme activity? Explain. OSCR hyaldgen locnd$ and danas aMe. CVennve. 23. What kind of biomolecules is an enzyme? What is the monomer of an enzyme? rn OUND acid 24. Enzymes are specific. Explain what this means.. SMYMES CoA Gay CONMEck FO OL SPecchc SU\loch ade v2 Forma Since. Of Me Cniymos cuchie ste 25. What is the name of the enzyme we used in our lab? The substrate? COrteda $-e H,O a. + - 4 = es. 4 tw ° *. E -. 2 os “ ~ * = < sa ) we. * gar