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Name: ____key________________ A. B. C. D. E. F. Anaphase Cell Cycle Centrioles Centromere Chromatid Cytokinesis Date: ____________ Per. _______ G. Telophase H. Interphase I. Mitosis J. Metaphase K. Prophase L. Spindle fiber G1 Cell growth M Cytokinesis Telophase 1. _A____The sister chromatids are moving apart. Anaphase 2. _F____ The cytoplasm of the cell is being s divided Metaphase 3. _J____ Chromatids line up along the equator Prophase 4. _D____ What is the name of the structure that G2 connects the two chromatids? 5. _G___ Nucleolus reappears, nuclear membrane Preparation reforms and the spindle breaks down. For Mitosis 6. _C___ is found in animal cells, and is thought to produce the spindle fibers that help separate the sister chromatids during anaphase. 7. _B___ is the period of time from the beginning of one cell division to the beginning of the next. 8. _I____ is a form of cell division that only occurs in Eukaryotic cells. 9. _E____ one of two duplicated chromosomes 10. _K____ nucleolus disappears, nuclear membrane breaks down & spindle forms. 11. _H____ Cell grows, protein synthesis & cellular respiration occurs, DNA is replicated 12. _L____ fan like structure that separate chromatids during Anaphase. DNA replicate 13. What are the 2 reasons why cells divide? __Information crisis & hard to exchange materials__ 14. What is the protein that controls the timing of the cell cycle? __cyclen___________ 15. What is the disorder that occurs when the cells are unable control the cell cycle? ___cancer____________ 16. List the causes of this disorder _Biological, Chemical, Physical, & Genetics 17. List the treatments of this disorder __Surgery, radiations, & chemo________ Prophase Metaphase Spindel centrioles Nuclear envelope Anaphase Chromosome Interphase Cell membrane nucleoulous centrioles Telophase Chromatin cytoplasim chromatid Deoxyribos Nucleic Acid Thymine Adnine Phosphate group Sugar/ Deoxyribose Adnine Cytosine Hydrogen bond Covalent bond v nucleotid e Covalent bond Matching- There may be more than 1 correct answer for each question; however each choice is only used 1 time! __E__1. DNA wrapped in protein; humans have 46 __P___2. Disease-causing __J___3. Scientist that took x-ray of DNA that helped in the discovery of DNA’s structure __K___4. Showed that bacteria were able to transform __N___5. Biomolecule group to which DNA belongs __C___6. Scientist that chemically proved base-pairing only occurred between certain nitrogen bases __H___7. Five-carbon sugar found in DNA __A___8. Identified “transforming substances” seen in bacteria as DNA __O___9. Monomers of DNA _L & D 10. Used viruses to prove DNA, not protein, contains the genetic code _R&G_11. Credited with the first identified structure of DNA __B___12. Virus that infects bacteria __Q___13. The ability of bacteria to take up DNA from their environment __M___14. Type of bond found between nitrogen bases ___F__15. Type of bond that holds components of nucleotides together ___I__16. Structure of DNA Base-Pairing- Use base pairing rules to find the complementary strand of DNA Strand of DNA nucleotides Complementary Strand 1. GGCATTAC CCGTAATC 2. AATTGGCC TTAACCGG 3. CAGTAC GTCATG 4. TTTAGCCGA AAATCGGCA 5. AACGTGTACCA A. Avery B. bacteriophage C. Chargaff D. Chase E. chromosome F. covalent G. Crick H. deoxyribose I. double helix J. Franklin K. Griffith L. Hershey M. Hydrogen N. nucleic acid O. nucleotide P. pathogenic Q. transformation R. Watson TTGCACATGGT DNA Replication- Place the following in the correct order: A. Free nucleotides in the nucleus join with the correct bases. B. 2 new molecules of DNA (each contain an original & a new strand) become twisted and take the form of a Double Helix C. Each ½ serves as a pattern for the formation of a new DNA chain. D. Double helix untwists, enzyme “Helocase” breaks the H bonds, 2 nucleotide chains begin to separate like a zipper. E. The 2 new DNA molecules are now called “Sister Chromatids” and remain stuck together until the cell divides. 1. _D__ 2. __C_ 3. __A__ 4. __B___ 5. __E___