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DNA & Cell Cycle Clicker Review

DNA & Cell Cycle Clicker Review. Get a sheet of paper and number 1-29 Answer are on the last slide. 1. were credited for finding the structure of DNA. Chargaff Franklin Watson & Crick. 2. What phase of Mitosis is this?. Prophase Anaphase Metaphase Cytokinesis Telephase

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DNA & Cell Cycle Clicker Review

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  1. DNA & Cell Cycle Clicker Review Get a sheet of paper and number 1-29 Answer are on the last slide

  2. 1. were credited for finding the structure of DNA • Chargaff • Franklin • Watson & Crick

  3. 2. What phase of Mitosis is this? • Prophase • Anaphase • Metaphase • Cytokinesis • Telephase • Interphase

  4. 3. The weakest bonds in a double-stranded molecule of deoxyribonucleic acid exist between the • deoxyribose sugars • phosphate groups • nitrogenous bases • 5-carbon sugars

  5. 4. Which of the following activities occurs in the S phase? • growth of the cell • replication of the DNA • formation of the mitotic spindle • breakdown of the nuclear membrane

  6. 5. Mutations within a DNA sequence are • unnatural processes that are harmful to genetic diversity • natural processes that produce genetic diversity • unnatural processes that always affect the phenotype • natural processes that always affect the phenotype

  7. 6. Which of the following base pair sequences could be produced in DNA replication? • 5' AGTCUT 3'3' TCUGTA 5' • 5' AGTCAT 3'3' CTGACG 5' • 5' AGTCAT 3'3' TCAGTA 5' • 5' AGTCAT 3'3' UCAGUA 5'

  8. 7. A student looking through a light microscope saw this cell in cytokinesis. This cell is most likely from — • a plant • a virus • An animal • A bacteria

  9. 8. The diagram is of an untwisted DNA molecule. Which part is the strong covalent bond? • A • C • E • F • G • I

  10. 9. In a molecule of double-stranded DNA, the amount of adenine present is always equal to the amount of • cytosine • guanine • thymine • uracil

  11. 10. The diagram below shows Rosalind Franklin’s x-ray diffraction image of DNA.How did this evidence affect the work of Watson and Crick? • It was used to show that DNA was the molecule of inheritance • It was used to develop the theory of independent assortment • It was used to identify the four bases that make up DNA • It was used to determine the physical structure of DNA

  12. 11. During DNA replication, the wrong nucleotide was inserted in the DNA sequence. Which of the following terms describes this situation? • mutation • regeneration • transcription • translation

  13. 12. studied nucleotides • Chargaff • Franklin • Watson & Crick

  14. 13. What phase of Mitosis is this? • Prophase • Anaphase • Metaphase • Cytokinesis • Telephase • Interphase

  15. 14. The cell in the diagram below illustrates a stage of mitotic cell divisionLetter B indicates the • paired chromosomes • centrioles • cell plate • endoplasmic reticulum

  16. 5' G T A _ _ _ A A 3'3' C A T G C A T T 5'15. This segment of DNA has undergone a mutation in which three nucleotides have been deleted. A repair enzyme would replace them with • GTA • CTG • GCA • CGT

  17. 16. Semi-conservative replication of DNA refers to the idea that • each half of the original DNA molecule is joined with a new complementary DNA strand • each new DNA molecule contains two new single RNA strands • DNA molecules need to unwind before duplication begins • the two strands of DNA molecules run in opposite directions

  18. 17. Which of the following activities occurs in the G1 phase? • growth of the cell • replication of the DNA • formation of the mitotic spindle • breakdown of the nuclear membrane

  19. 18. The diagram is of an untwisted DNA molecule. Which part is the deoxyribose sugar? • A • B • C • G • H • I

  20. 19. The diagram below is the monomer of DNA. What is it? • Amino Acids • Fatty Acids • Monosaccharide • Nucleotide

  21. 20. studied DNA by using x-ray diffraction • Chargaff • Franklin • Watson & Crick

  22. 21. A portion of one strand of a DNA molecule has the sequence shown below.ACCTGAAGGAssuming there are no mutations in this portion of the DNA, what is the corresponding sequence on the complementary DNA strand? • TGGACTTCC • UGGACUUCC • GTTCAGGAA • ACCTGAAGG

  23. 22. Which of the following features of DNA is most important in determining the way an organism looks? • the direction of the helical twist • the number of deoxyribosesugars • the sequence of nitrogenous bases • the strength of the hydrogen bonds

  24. 23. What phase of Mitosis is this? • Prophase • Anaphase • Metaphase • Cytokinesis • Telephase

  25. 24. Why must the cell divide? • Too many demands on DNA if to big • Hard to exchange material if to big • Volume increases more rapidly than the surface area • All of the above

  26. 25. What phase of Mitosis is this? • Prophase • Anaphase • Metaphase • Cytokinesis • Telephase • Interphase

  27. 26. Which phase of mitosis would be seen next? • [

  28. 27. What phase of Mitosis is this? • Prophase • Anaphase • Metaphase • Cytokinesis • Telephase • Interphase

  29. 28. The diagram is of an untwisted DNA molecule. Which part is the weak Hydrogen bond? • A • C • E • F • G • H

  30. 29. The period of time from the beginning of one cell division to the beginning of the next is called? • mitosis • S phase • cell cycle • cytokinesis

  31. Answers: • C • B • C • B • B • C • A • C • C • D • A • A • A • B • D • A • A • B • D • B • A • C • C • D • F • A • E • D • C

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