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2 nd Semester Review Questions

2 nd Semester Review Questions. A. cocci B. baccilli C. pathogens D. archaebacteria. 1) Disease causing bacteria are known as. A. core of DNA B. core of RNA C. capsid D. membrane envelope. 2) The outer protein coat of a virus is a. A. virus infects a bacterium and kills it immediately

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2 nd Semester Review Questions

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  1. 2nd Semester Review Questions

  2. A. cocci B. baccilli C. pathogens D. archaebacteria 1) Disease causing bacteria are known as

  3. A. core of DNA B. core of RNA C. capsid D. membrane envelope 2) The outer protein coat of a virus is a

  4. A. virus infects a bacterium and kills it immediately • B. virus embeds its genome into the DNA of the host cell • C. virus enters a cell, makes copies of itself, and causes the cell to burst • D. virus inserts its DNA into the DNA of the host cell and remains a part of the host cell for many generations 3) A lysogenic infection occurs when a

  5. A. tears B. skin C. mucus D. fever 4) The most important nonspecific defense against pathogens is your

  6. A. antibody B. B cell C. pathogen D. antigen 5) A substance that triggers the specific defenses of the immune system is a(n)

  7. A. a 5-carbon sugar B. polymerase C. a nitrogen base D. a phosphate group 6) A nucleotide does NOT contain

  8. A. AAGCTGCTG B. UUCGACGAC C. TTCGACGAC 7) What would be the other side of the double helix if the sequence was:AAGCTGCTG

  9. A. cytoplasm B. histone C. nucleus D. ribosome 8) In eukaryotes, DNA molecules are located in the

  10. A. translation B. transcription C. transformation D. replication 9) The process by which the genetic code of DNA is copied into a strand of RNA is called

  11. A. AAU CGC UAA AGU B. AAT GCG TAA ACT C. UUA GCG AUU UGA D. TTA GCG ATT TGA 10) What is the mRNA sequence for the following DNA Sequence?AAT CGC TAA ACT

  12. A. transfer RNA B. ribose C. RNA polymerase D. DNA polymerase 11) The main enzyme involved in bringing over new DNA nucleotides and linking them is

  13. A. replications B. mutations C. transformations D. prokaryotes 12) Changes in the DNA sequence that affect genetic information are known as

  14. A. nucleotide B. purine C. amino acid D. pyrimidine 13) In messenger RNA, each codon specifies a particular

  15. A. Pro Iso Gly Val B. Met Pro Iso Gly Val Stop C. Met Gly Tyr Pro Glu Iso 14) What is the amino Acid sequence for the following strand of DNA?TAC GGG TAA CCG CAG ATT

  16. A. one haploid cell B. Three diploid polar bodies C. Four diploid gamete cells D. Four haploid gamete cells 15) Unlike mitosis, meiosis in male mammals results in the formation of

  17. A. become diploid B. become recessive C. be produced by mitosis D. become haploid 16) To maintain the chromosome number of an organism, the gametes must

  18. A. sperm created by meiosis B. egg created by meiosis C. skin cell created by meiosis D. red blood cell created by mitosis 17) Which of the following cells are not paired correctly?

  19. Pedigree Karyotype Genome autosome 18) A chart that traces the inheritance of a trait in a family is called a(an)

  20. Y chromosome O chromosome YY chromosome X chromosome 19) Most sex linked genes are found on the

  21. Homozygous normal vision mother, father with colorblindness Mother with colorblindness, normal vision father Heterozygous normal vision mother, normal vision father Heterozygous normal vision mother, father with colorblindness 20) Which parental pair would produce females with colorblindness?

  22. A. adaptive radiation B. coevolution C. convergent evolution D. changes in the hox gene 21) The process that produces a similar appearance among unrelated groups of organisms is

  23. A. macroevolution B. coevolution C. convergent evolution D. geologic time 22) As a group, the large-scale evolutionary changes that take place over long periods of time are called

  24. A. fitness B. adaptation C. speciation D. gene pool 23) The success of an organism in surviving and reproducing is a measure of its

  25. A. gene pool B. population C. genetic drift D. Species 24) Similar species that breed with each other and produce fertile offspring in the natural environment make up a

  26. Disruptive selection Stabilizing selection Directional selection Genetic drift 25) The type of selection in which individuals of average size have a greater fitness than small or large individuals is called:

  27. Stabilizing selection Disruptive selection Directional selection The founder effect 26) The type of selection in which individuals at one end of a curve have the highest fitness is called

  28. Answers 1. C 2. C 3. D 4. B 5. D 6. B 7. C 8. C 9. B 10. C 11. D 12. B 13. C 14. B 15. D 16. D 17. C 18. B 19. D 20. D 21. C 22. A 23. A 24. D 25. B 26. C

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