Practice test 1 (Ch 1-3)

Practice test 1 (Ch 1-3) - PASS Biology 221 Practice Test#1...

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Unformatted text preview: PASS Biology 221 Practice Test #1 Multiple Choice 1. Hydrogen bonds are: /A) Easily broken by temperature or pH x/B) Form weak attraction within or between polar molecules Mn example of an ionic bond /D) Found in Proteins, Nucleic Acids and other large molecules @A, Band D 2. Which statement is true of dehydration synthesis: (3L Woéwj ammo? W697} 0F WMOLVS/S /A) It is a type of synthesis that requires H20 and ATP XOccurs in the digestion of proteins into amino acids ..— HVLPOA {/93 /C) Water is released when a bond is formed @ Both A and C E) All of the above 9. What is not true about enzymes: A) They are a type of protein x/é) Function best at optimal pH and temperature x/C) Different enzymes require different reactions and are substrate specific /D) lncrease rate of reaction—acts as a catalyst @They are all true 4. What are true statements of Active Transport Systems: A) A cell uses ATP to move solutes against their concentration gradient from low to high concentration x/lS) In Endocytosis, materials accumulate at the surface of the plasma membrane W0 /C) Sodium and Potassium pump is an example of Facilitated Active Transport MFacilitated Diffusion is a type of active transport 15%, 1719073: [N 6U? PASSNE @A,BandC 5. Where are ribosomes assembled: ‘/—\ A) Rough Endoplasmic Reticulum (war/2:70 MERE) Nucleolus Cfléifllfi. C) Golgi Apparatus D) Nucleus E) None of the above 6. Homeostatic control mechanism has some components to maintain equilibrium /A) Effector NSet Point fC) Control Center /D) Receptor @A, C and D 7. Which are in the dorsal body cavity: A) small intestine — MOMMA l, B) Heart —— ICER/Wfl/Al, )f—DiApfiAeA/i- (:eran O gomACH (QDM Respmmrokv WAC/f; @ spinal cord D) uterus » (ELVIC E) none of the above 8. Oh the pH scale which statements are true: 7 NEWle “)fl/A pH of4.0 is less acidic than a pH of 9.0 M pH of 6.5 is neutral %A basic solution is represented from pH 0-6 here are 10X more hydrogen ions between pH 2.0 than pH 3.0 E) None of the above MVP/2065M “AOL/21C, rhea Ado EXPLO/t g . 9. What statements are false about the negative feedback system: \/A) Results in fluctuations about Set Point A) Common feedback system @hange is increased /D) Body thermostat in your brain located in the hypothalamus regulates body temperature E) All of the above. 10) What following statements are true about carbohydrates: , tau/Lama gcoc K g l/A) Major source of energy for making ATP Afl q , C(Aflgomagé K g @ONogACCAKWE9 / azcwic a”: " “#05 (FA/T) B) It is an organic compound WWW/Va EW — NVCLé/C Ac/og / _ WOLEl/M’ Pear: IN (mm/woe) C) Monosaccharides are the building blocks D) Both A and B 4/0/05 ‘ M e _/V1AD[: 0F Bras flour-m swam P’Wlfii/P/O 445 was or: arm 57:34 0% @ul of the above ALL/)5 I772 Vglrw'rwg- , 11. Provide correct order of the body’s level of organization from smallest to largest MOrgan, Cellular, System, Chemical, Tissue, Organismal MChemical, Cellular, Tissue, Organ, Organismal, System @ellular, Chemical, Organ, Organismal, Tissue, System @Chemical, Cellular, Tissue, Organ, System, Organismal @Cellular, Tissue, Organ, Chemical, Organismal, System True and False uestions ’l’ 12. Homeostasis is maintaining a relatively stable environment regardless of external conditions and uses feedback systems / é“? % )e Atoms BHd mOIECUIES make Up the CMI lEVEI “P l9 14. Anatomical position is erect and palms facing inward T 15. A ionic bond transfers electrons between atoms and is common in salts 7. 15. A nucleotides are the buildi blocks of nucleic acids and have a distinctive structure composed of three components covalently bonded together 5;; PM? "AWN wwwé MS of EVERyTHiIi/{p - _ _ M 7196' «Am gas? I 17. Buffers resist changes in pH by picking up hydrogen (H+) or hydroxyl ions (OH-) and keep pH stable 4i F 18. Protons on the outer valance determine the stability of the atom L> Wang fl 9MBlL‘in’ axis/m); Lobklkl6> j) CCLALL‘m faygmchnfl/a S m W” E" DEWWATIO/x/ Syx/nn 5/5 ;) M5 4,25 ’00ng 0 (IR F 19. Disaccharides are two monosaccharides and are joined by hydrflysis like sucrose L> «xv/37k? apart): eon/95 . ’l/ 20. At the system level of organization there are groups of organs with common functions and a total of ystems O wi 2 electrons l ‘ , 8 elec ons in second orbital and 8 electrons in third orbital m mg Mikael OM75: Viz/4t .157”!qu QDND it 7214)! Q wlm . . . . a . y . . . fi 23. In proteins the complex, 3-D shape determines function and tghfiy level IS multiple polypeptide chains 7 1 gLANoFr/Nnu/d, Wenw/Aa oNLy )k KNOW “V ’i 24. A cell is the smallest living unit and contains a nucleus and multiple organelles and is enclosed by a semi-permeable plasma membrane ? 21. 4 most common elements in humans are Hydrogen, Oxygen, CZébon, and Sadie/m [email protected] Na 7— 22. An atom obtains stag)" “V 25. The heart is deep to the ribs and the ribs are superficial to the heart MNVEbe F 26. The sagifial section separates the body on a horizontal plane and superior and inferior parts , DismL AWm/ieur 9 n5 :- T 27. Inorganic compounds do not contain carbon and hydrogen with the exception of CO and C02 £ Wow/m c r 28. The wrist is distal to the elbow and the elbow is proximal to the wrist TI 29. The abdominal cavity contains the liver, stomach, intestines and some other organs T 30. Physiology is the study of bodily function and includes Cell Physiology, Pathophysiology, Immunology and Exercise Physiology l: 31. A covalent bond is the weakest bond and shares electrons between atoms l: 32. The plasma membrane is a selective barrier and allows water soluble to pass through but not fat soluble T 33. Phospholipids form a bilayer because they have both polar heads that are hydrophilic and point outward towards water and other polar molecules and non-polar tails that are hydrophobic and point inward toward membrane interior. T 34. Cells in a hypotonic solution gain water and swell and cells in a hypertonic solution loose water and shrink Matching B 35. Building blocks of elements A) Anion C 36. Number of protons in an atom 3) Atom D 37. Sum of protons and neutrons Atomic number A 38. Atoms that gain electrons have a net negative charge D) Atomic weight 5 39. Smallest structural unit in our bodies E) Cation Matching E 40. Metaphase® A) high metabolic activity and protein synthesis P 41. Anaphase (3 B) Nuclear membrane dissembles I A 42. Interphase (D C) Chromosomes relax into chromatin C 43.Telophase D)"Daughter" chromosomes separate )3 44. Prophase E) Spindle aligns chromosomes 45. Spell out DNA and RNA and list the similarities and differences between DNA and RNA (write on separate paper) ...
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Practice test 1 (Ch 1-3) - PASS Biology 221 Practice Test#1...

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