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1. The sister chromatids are moving apart.

1. The sister chromatids are moving apart.

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Direction: Read carefully cach item. Identify the cell cycle stage described in every concept. Choose the letter of your answer provided below and write it on the line before each number. Cell cycle: Mitosis a. Interphase b. Prophase c. Prometaphase d. Metaphase e. Anaphase f. Telophase 1. The sister chromatids are moving apart. _2. The nucleus and other organelles are no longer visible. 3. A new nuclear membrane is formed around the chromosomes. _4. The centrioles have reached the opposite poles of the cell. 5. The threadlike genetic material is formed and found in the nucleus. _6. The chromosomes are located at the equator of the cell. 7. The mitotic spindle disappears. _8. The centromeres of chromosomes split. 9. The mitotic spindle is formed. 10. The cell actively produces protein. _11. The cell elongates. 12. Centrioles start to move toward the opposite poles of the cell. _13. Cytoplasmic contents start to duplicate. 14. The reverse of prophase. _15. The mitotic spindles converge and connect to the kinetochore of chromosomes.
Transcribed Image Text:Direction: Read carefully cach item. Identify the cell cycle stage described in every concept. Choose the letter of your answer provided below and write it on the line before each number. Cell cycle: Mitosis a. Interphase b. Prophase c. Prometaphase d. Metaphase e. Anaphase f. Telophase 1. The sister chromatids are moving apart. _2. The nucleus and other organelles are no longer visible. 3. A new nuclear membrane is formed around the chromosomes. _4. The centrioles have reached the opposite poles of the cell. 5. The threadlike genetic material is formed and found in the nucleus. _6. The chromosomes are located at the equator of the cell. 7. The mitotic spindle disappears. _8. The centromeres of chromosomes split. 9. The mitotic spindle is formed. 10. The cell actively produces protein. _11. The cell elongates. 12. Centrioles start to move toward the opposite poles of the cell. _13. Cytoplasmic contents start to duplicate. 14. The reverse of prophase. _15. The mitotic spindles converge and connect to the kinetochore of chromosomes.
Almost all cells in an organism contain two complete sets of chromosomes. Reproductive cells contain only one set. Cells produced by mitosis are diploid while meiosis produces haploid cells. Haploid and diploid are designated by the algebraic notation n and 2n, respectively. Below is a table that shows the haploid or diploid numbers of a variety of organisms. Complete the table and use it to answer the given questions. Organism 1. Amoeba 2. Chimpanzee 3. Earthworm 4. Fern 5. Hamster 6. Honeybee 7. Human 8. Onion 9-10. What are the haploid numbers for the two plants listed in n 2n 25 24 18 1010 22 32 46 16 the table? 11. Based on the table above, which organism's diploid numbers are closest to that of a human? 12. Explain why a diploid number is always even. 13-14. Which organism's haploid and diploid numbers do you find most surprising? Why? 15. Why is it important that each organism has specific number of chromosomes?
Transcribed Image Text:Almost all cells in an organism contain two complete sets of chromosomes. Reproductive cells contain only one set. Cells produced by mitosis are diploid while meiosis produces haploid cells. Haploid and diploid are designated by the algebraic notation n and 2n, respectively. Below is a table that shows the haploid or diploid numbers of a variety of organisms. Complete the table and use it to answer the given questions. Organism 1. Amoeba 2. Chimpanzee 3. Earthworm 4. Fern 5. Hamster 6. Honeybee 7. Human 8. Onion 9-10. What are the haploid numbers for the two plants listed in n 2n 25 24 18 1010 22 32 46 16 the table? 11. Based on the table above, which organism's diploid numbers are closest to that of a human? 12. Explain why a diploid number is always even. 13-14. Which organism's haploid and diploid numbers do you find most surprising? Why? 15. Why is it important that each organism has specific number of chromosomes?
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