S'09 150 exam II version 1

S'09 150 exam II version 1 - BIOL 150 SAMPLE EXAM 2...

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1 BIOL 150 SAMPLE EXAM 2 MULTIPLE CHOICE (2 points each, 68 points TOTAL) 1) Which of the following best describes Gap 1 of the cell cycle? a. n (haploid) with non -duplicated chromosomes b. n (haploid) with duplicated chromosomes c. 2n (diploid) with non -duplicated chromosomes d. 2n (diploid) with duplicated chromosomes e. 4n (tetraploid) with non -duplicated chromosomes 2) Which of the following best describes a cell immediately AFTER meiosis I? a. n (haploid) with non -duplicated chromosomes b. n (haploid) with duplicated chromosomes c. 2n (diploid) with non -duplicated chromosomes d. 2n (diploid) with duplicated chromosomes e. 4n (tetraploid) with non -duplicated chromosomes 3) Which of the following is INCORRECT regarding mitosis? a. Mitosis helps in healing, such as repairing damaged tissues from cuts and abrasions. b. Mitosis results in diploid daughter cells that are identical to the diploid parent cell. c. Mitosis is how you grew from a single cell to a multicellular adult. d. Mitosis results in diploid daughter cells that differ from the haploid parent cell. e. Mitosis occurs in the vast majority of the cells in your body. 4) Which of the following is the CORRECT order of events that make up interphase of the cell cycle? a. hellophase, yodaphase, hollandaise d. gap 1, synthesis, gap 2 b. prophase, metaphase, anaphase, telophase e. gap 2, gap 1, synthesis c. synthesis, gap 1, gap 2 5) During anaphase I of meiosis. .. a. . ..chromosomes are replicated and pair with their homologues. b. . ..sister chromatids separate and move to opposite ends of the cell. c. . ..the nuclear membrane begins to reform around duplicated chromosomes. d. . ..the nuclear membrane breaks down as chromosomes begin to condense. e. . ..homologous pairs separate and move to opposite ends of the cell. 6) Cancer is the result of a. PCR (polymerase chain reaction). c. out-of-control cell division. b. 3rd base degeneracy. d. satellite colonies. 7) Which of the following is NOT a means of producing genetic variation among individuals? a. crossing over d. sex and fertilization b. cloning e. meiosis c. independent assortment
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2 8) The gene for hairy ears is on the Y chromosome. Which of the following is INCORRECT regarding this gene? a. The gene for hairy ears is sex-linked. b. Only men can have hairy ears. c. A man with hairy ears may pass the gene on to his sons. d. This gene can cause both men and women to have hairy ears. 9) An individual has the following genotypes for three different genes: Aa, Bb, Ee. These three genes are on three different chromosomes. In this individual. .. a. . ..all of the alleles are on chromosome 14. b. . ..the genes are linked. c. .
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S'09 150 exam II version 1 - BIOL 150 SAMPLE EXAM 2...

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