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PCB 3063-Test Bank for: Chapter 11: Chromosome Structure and Organelle DNA

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PCB 3063-Test Bank for: Chapter 11: Chromosome Structure and Organelle DNA Multiple-Choice Questions 1. Which of the following is not true of negatively supercoiled DNA? a. Eases the separation of nucleotide strands during replication and transcription. b. Allows DNA to be packed into small spaces. c. Has less than 10 bp per turn of its helix. d. Is more negatively charged due to additional phosphates per turn of the helix. e. Is found in most cells. Answer: c Section: 11.1 Comprehen...

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PCB 3063-Test Bank for Chapter 10: DNA: The Chemical Nature of the Gene

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PCB 3063-Test Bank for Chapter 10: DNA: The Chemical Nature of the Gene Multiple-Choice Questions 1. Which of the following is NOT a key characteristic that genetic material must possess? a. Genetic material must contain complex information. b. Genetic material must replicate faithfully. c. Genetic material must encode the phenotype. d. Genetic material must have the capacity to vary. e. Genetic material must contain nitrogen but not sulfur. Answer: e Section 10.1 Comprehension 2. W...

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PCB 3063-Test Bank for Chapter 9: Bacterial and Viral Genetic Systems

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PCB 3063-Test Bank for Chapter 9: Bacterial and Viral Genetic Systems Bacterial mutants that require supplemental nutrients in their growth media are called a. autotrophs. b. heterotrophs. c. prototrophs. d. omnitrophs. e. auxotrophs. Answer: e Section: 9.1 Comprehension Question 2. Which of the following statements about nutritional requirement and growth of bacteria is NOT true? a. Culture media developed for bacteria must contain carbon source and essential elements for the sur...

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BIOLOGY BIOL133-Exam 3- Chapters 12-15

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BIOLOGY BIOL133-Exam 3- Chapters 12-15 Comment: Congratulations on the completion of Exam 3. Please let me know if you have any questions. Part 1 of 1 - 100.0 Points Question 1 of 40 2.5 Points If genes are completely linked, all the offspring will be _________.  A. hybrids  B. dominant  C. recombinants  D. parental  Exam 3- Chapters E. recessive Feedback: Correct Question 2 of 40 2.5 Points The codon AUG specifies the amino acid methionine. What would the ...

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PCB 3063-Test Bank for Chapter 8: Chromosome Variation

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PCB 3063-Test Bank for Chapter 8: Chromosome Variation Multiple-Choice Questions 1. The centromere is located approximately in the middle of which type of chromosome? a. Acrocentric b. Metacentric c. Paracentric d. Submetacentric e. Telocentric Answer: b Section 8.1 Comprehension 2. Which type of chromosome has a centromere displaced toward one end, creating a long arm and a short arm? a. Acrocentric b. Metacentric c. Paracentric d. Submetacentric e. Telocentric Answer: d Se...

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PCB 3063-Test Bank for Chapter 7: Linkage, Recombination, and Eukaryotic Gene Mapping

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PCB 3063-Test Bank for Chapter 7: Linkage, Recombination, and Eukaryotic Gene Mapping Multiple Choice Questions 1. Linked genes always exhibit a. phenotypes that are similar. b. recombination frequencies of less than 50%. c. homozygosity when involved in a testcross. d. a greater number of recombinant offspring than parental offspring when involved in a testcross. e. a lack of recombinant offspring when a heterozygous parent is testcrossed. Answer: b Section 7.1 Comprehension 2. Li...

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BIO 1414-Evolution Post-Lab Assignment

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BIO 1414-Evolution Post-Lab Assignment Table 10.1 Hypothesis: predict the relative success of each predator and prey Enter your data in the table below and the graph will automatically make. Title Predators Prey X-axis Forceps- 1 peas-2 Y-axis Spoon-2 rice-3 Fork-3 lentil-1 generation Knife-4 beans-4 1 2 3 4 Result Table 10.2 Natural Selection in Predator Prey Simulation 5 Which predator are you?_________FORK_...

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BIO 304 Population Biology & Evolution-Exam 2

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BIO 304 Population Biology & Evolution-Exam 2 here are 65 questions on 11 pages of this exam. 1. What was surprising about the results of Buri’s classic experiment on genetic drift in fruit flies (shown at right)? a. The flies showed no change in heterozygosity. b. Heterozygosity was maintained by mutation-selection balance. c. Strains maintained in benign conditions accumulated deleterious alleles. d. Heterozygosity declined more rapidly than predicted by Sewall Wright’s equa...

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BIO 304-Population Biology and Evolution – Exam 3

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BIO 304-Population Biology and Evolution – Exam 3 . What evolutionary force is responsible for adaptations? a. Mutation b. Drift c. Selection d. Migration e. All of the above f. None of the above 2. Why do males often compete for access to females more than females compete for access to males? a. Males invest less in reproduction. b. In most species, access to mates limits male reproduction more often than access to mates limits female reproduction. c. Both are true. d. Neither ...

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BIO 304-BIO 304 Population Biology & Evolution

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BIO 304-BIO 304 Population Biology & Evolution Which of the following is the expression for broad-sense heritability? a. VE/VP b. VE/VG c. VA/VP d. VG/VP 12. Bdelloid rotifers . a. have both sexual and asexual reproduction b. are hermaphroditic, individuals are both male and female. c. can switch from male to female d. are asexual 13. In a population of 1000 people, 490 had the AA genotype, 420 were Aa, and 90 were aa. What is the frequency of the A allele? a. .70 b. .60 c. .50 ...

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