Biology Exam II Blank - Oxygen is in the ‘ 2.1,4 a...

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Unformatted text preview: Oxygen is in the ‘ 2.1,4 a. oxidized, electron transport chain b. reduced, Kreb’s cycle c. oxidized, light independent reaction (1. reduced, electron transport chain The energy to drive the proton pump in the inner membrane of the mitochondria comes from 2.2 a. passage of electrons by electron carriers b. chemiosmosis c. hydrolysis d. active transport C02 is produced in 2.1 a. transition reaction b. electron transport chain 0. light independent reaction d. both a and c In the light independent reaction of photosynthesis 2.5 a. NADPH is reduced b. ATP is oxidized c. oxygen is reduced (1. NADPH is oxidized Oogenesis differs from spermatogenesis in that oogenesis 2.23 a. produces haploid cells. b. produces cells with one sex chromosome. c. has an unequal division of cytoplasm (1. produces diploid cells Which reaction is INCORRECTLY paired with its location? 2.1,4,5 a. Transition reaction— mitochondrial matrix b. light dependent reaction— stroma c. light independent reaction- stroma d. Kreb’s cycle- mitochondrial matrix The chlorophyll in photosystem H 2.3,4 a. passes its electrons to photosystem I b. is restored to neutrality by electrons from photosystem I c. absorbs light from the center of the visuble spectrum d. passes its electrons to NADP Which is true about the breakdown of lipids for energy? 2.6 a. Fats are broken into chains of 2 carbons b. Fats enter the respiratory pathway as acetyl coenzyme A c. Fats must be deaminated by the liver in order to be broken down for energy. d. both a and b c. all of these are true The nuclear membrane reappears during of mitosis 2.19 a. prophase b. metaphase c. anaphase d. telophase 10. 11. 12. 13. 14. 15. 16. 17. In DNA ~ . 2.7 a. complementary nucleotides are covalently bonded to one another b. the nucleotide at the 5' end is bonded to a complement on the 3' end c. the double helix must be unwound for replication to occur d. both a and c e. both b and c A cell has nucleotides making up its DNA that are not radioactive (N N) The cell is then incubated with radioactive nucleotides (R) so that only R nucleotides can be incorporated into new DNA. After one replication the new DNA will be 2.8 a. 100%RR b. 100%NR c,50%NN:50%RR d. 75% N R: 25% R R During DNA replication 2.9 a. DNA polymerase catalyzes the formation of hydrogen bonds between complementary base pairs b. DNA ligase forms covalent bonds between nucleotides in the discontinuous (lagging) strand c. DNA polymerase forms covalent bonds between nucleotides in both the continuous (leading) and discontinuous (lagging) strands d. all are true Messenger RNA (m RNA) differs from transfer RNA (t RNA)in that m RNA 2.10 a. is proportional in size to the protein for which is codes b. is coded for by the DNA c. varies in size in eukaryotes and prokaryotes d. both a and b At RNA carrying the amino acid, cysteine, has the anticodon 2.11 a. TGC b. UGU c. ACA d. ACG e. both c and d During transcription 2.12 a. RNA polymerase catalyzes the formation of covalent bonds between nucleotides. b. RNA polymerase binds to the promotor region of the ribosome c. the initiation complex binds to the small ribosomal subunit. (1. covalent bonds are formed between complementary base pairs by DNA ligase Choose the “magic bullet” that matches its target 2.10 a. erythromycin— prokaryote ribosome b. tetracycline— prokaryote m RNA c. daunorubicin— cancer cells d. both a and c Which is NOT a role of mitosis in eukaryotes? 2.15 a. binary fission d. both b and c b. repair c. growth e. all of these ************************************************************$**************** Consider the DNA strand below. It is to be copied into m RNA to make a protein. 18. 19. TAGTGGAATTTT The fourth amino acid will be: 2.13 a. phenylalanine b. leucine c. lysine isoleuciine A mutation occurs resulting in the deletion of the 6th nucleotide. Which is true? 2.14 a. The mutated protein will be the same as the original. b. The second amino acid (new) will now be threonine c. The entire protein will be changed. d. both a and b e. bothb and c ***************************************************************************** 20. 21. 22. 23. 24. Put the steps in translation in the correct order 2.13 1. Peptide bond is formed ‘ 2. ribosome moves 3. t RNA in groove # 1 leaves the ribosome 4. large ribosomal subunit binds to small ribosomal subunit a. 4,1,2,3 b. 4,1,3,2 c. l,2,4,3 d. 3,1,3,2 Which is true? 2.15 a. Hormones such as estrogen may control the rate of transcription b. Barr bodies prevent transcript processing c. Exons contain information for making proteins d. X chromosome inactivation occurs in both males and females Which occurs in the cytoplasm? a. synthesis of t RNA b. synthesis of m RNA c. binding of large and small ribosomal subunits d. x chromosome inactivation occurs during the phase of the cell cycle 2.16 a. DNA synthesis, G1 b. protein synthesis, G2 c. mitosis, M d.bothaandc e. bothbandc The rate of cell division is in a. rapid, kidney b. moderate, bone marrow cells. 2.16 c. rapid, skin (1. slow, bone marrow 25. 26. The cancer drug, \ , prevents and is, therefore, considered to be cycle specific. 2.17 a. vinblastine, spindle formation (M) b. 5 FU, spindle formation (M) c. duanorubicin, protein synthesis (G1) d. cisplatin, metabolism (S) Sister chromatids separate in 2.18 a. prophase of mitosis b. prophase of meiosis II c. anaphase of meiosis II d. anaphase of meiosis I ***************************************************************************** 27. 28. 29. Consider the cell below 2.23 Which gamete(s) is (are) possible for this cell? a. ab b. Ab c. Aabb d. aB Which is NOT true about the cell above? a. It is haploid b. It is diploid c. Homologous pairs are present d. It is in prophase of meiosis 1 Which stage of gametogenesis is represented by the cell? a. ‘spermatogonium b. primary oocyte c. secondary oocyte d. ovum ***************************************************************************** 30. 31. 32. Which can inhibit cell division? 2.21 a. wounding b. contact inhibition c. cancer chemotherapy d. both b and c Plant cell mitosis differs from animal cell mitosis in that in plants 2.22 a. the cytoplasm doesn’t divide b. during anaphase, sister chromatids separate c. during metaphase a cell plate is formed d. during telophase a cell plate is formed DNA replication a. occurs during metaphase of both meiosis and mitosis b. requires binding of m RNA polymerase to the promoter c. results in production of sister chromatids d. always results in tetrad formation ********************************%******************************************* Use the key below to answer the next 3 questions a. transition b. Kreb’s cycle c. electron transport chain (1. a and b e. b and c .33. NAD is reduced 34. ATP is produced 35. NADH is oxidized ***************************#************************************************* 36. Hemophilia is a recessive,sex-linked disorder. A normal woman whose father had hemophilia marries a normal man. What are the chances that they will have a son with hemophilia? 2.27 a. 0 b. 25% c. 50% d. 100% 37. Which is NOT true about Tay Sachs Disease? 2.27 a. It is a lysosomal lipid storage disease b. two normal parents can produce an affected child 0. It results in the production of an abnormal hemoglobin d. The disease is prevalent among Eastern European Jews 38. Which disease is characterized by an inheritance pattern whereby a normal parent and an affected parent have a 50% chance of producing an affected child? 2.27 a. phenylketonuria b. Huntington’s chorea c. sickle cell anemia (1. Downs syndrome 39. A woman who is blood type A marries a man with blood type B. They have a child with a blood type that cannot receive blood from either parent. Which is true? 2.27 a. The child is type AB b. The mother is genotype AA 0: The father is genotype BB (1. The child is genotype OO 40. Which would NOT be found in a spermatozoan? a. sister chromatids b. homologous pairs c. centromeres d. none of these are in spermatozoa. 41. Which structure is incorrectly matched to the type of RNA on which it is found? 2.10 a. t RNA- amino acid binding site b. r RNA— catalytic site c. m RNA- anticodon d. t RNA - anticodon 42. Downs Syndrome 2.28 a. can be detected by karyotyping b. is characteristized by an inability to metabolize phenylalanine c. is an autosomal recessive disease (1. is a sex linked recessive disease 43. The product of translation is a(n)\ a. amino acid b. protein c. m RNA molecule d. a DNA strand *******************************************#*****************#*************** 44. 45. When purebred white flowers are crossed with purebred purple flowers, the result in an F1 of all lilac flowers. The type of inheritance pattern is a. incomplete dominance b. autosomal dominant d. multiple alleles. c. sex linked recessive What would be the expected phenotypic ratio if te Fl's were crossed among themselves? a. 3 purple: 1 white b. l purple:2 white: 1 lilac c. l purple:2 lilac: 1 white d. 100% lilac *************************************#*************************************** 46. 47. 48. 49. Muscular dystrophy(m) is a sex linked, recessive trait. Free earlobes (F) are dominant to attached (f) earlobes. A woman who is normal with regard to muscular dystrophy has free earlobes. Her father had muscular dystrophy and attached earlobes. This woman marries a man with no history of muscular dystrophy and attached earlobes. Use this information to answer the next 4 questions. What is the genotype of the woman’s father? a. Mmff b. )(‘anf c. XMYFf d. either a or b Which gamete is NOT possible for the woman to produce? a. X"‘Xm b. XMF c. me d. XmF What gametes can her husband produce? a. me b. Yf c. XMf d. both a and b 6. both b and c What are the chances they will have a child with muscular dystrophy? a. 12.5% b. 25% c. 33% d. 50% #*************t************************************************************** 50. Meiosis differs from mitosis in that during meiosis 2.19 a. DNA is replicated during interphase b. Sister chromatids never separate c. Tetrad formation and synapsis occur d. both b and c are true ...
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This note was uploaded on 10/17/2009 for the course BIO 1100 taught by Professor Becker during the Spring '08 term at St. Louis College of Pharmacy.

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Biology Exam II Blank - Oxygen is in the ‘ 2.1,4 a...

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