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- Eukaryotic cells undergo mitosis, which produces two identical daughter cells. These cells are identical to each other and to the original parent cell. From the options below, select ALL of the reasons why a eukaryotic cell undergoes mitosis and the cell cycle. A) asexual reproduction B) growth of the organism C) repair of damaged cells D) replacement of lost cells E) production of gametes for sexual reproduction not gradedThe following phrases refer to the eukaryotic cell cycle. Select the single BEST choice for each phrase. Period when DNA is duplicated Last part of interphase in the parent cell Event that divides a cytoplasmic mass Period of cell growth before DNA duplication Period after DNA is duplicated Nuclear division that maintains the chromosome number Period when interphase begins in a cell Period commonly followed by cytokinesis - Period in which metaphase occurs Period prior to mitosis a. G2 b. Mitosis c. S d. G1 e. Cytokinesis1) after mitotic cell division, each daughter cell must receive ______ amount of DNA 2) DNA+ associated proteins make up ____ in eukaryotic cells 3) Normal members of the same species have the same number of ____ in their cells 4) somatic cells are ____ 5) germ cells are______ 6) _______ mean they contain two copies of each chromosome 7) ______ mean they contain one copy of each chromosome 8) each cell in our bodies from its birth tell its death is on a pathway called the ____ ANSWER OPTIONS: a. cell cycle b. twice the c. the way of the cell d. the same e. haploid f. chromosomes g. diploid
- Answer choices: 1) a cell with two complete sets of chromosomes 2) a chromosome pair, one maternal and one paternal 3) the events that occur from the time a cell forms until the time it divides 4) time of cell growth 5) cell division that maintains chromosome number 6) a reproductive mode by which offspring are produced by one parent only 7) an exact copy of a chromosomeSelect the FOUR statements below that describe the process of mitosis. used for growth, repair, and development used to produce gametes for sexual reproduction involves one cell division involves two cell divisions each daughter cell produced is genetically unique each daughter cell produced is genetically identical to the parent DNA is replicated during interphase DNA is replicated during prophaseWhich of the following statements is true of the cell cycle? a The current model of the cell cycle is made up of two main stages. b The cell cycle is a sequential pattern of cell growth, DNA replication, and cell division that takes place in prokaryotic cells. c Knowledge of the cell cycle has remained the same over the last several decades. d The cell cycle is often modeled as a circular diagram, because it is a continuous cycle.
- Which statements are true for mitosis? Select all that apply: 1. produces identical daughter cells 2. involved in sexual reproduction 3. reduces the number of chromosomes 4. involved in general growth and repair or asexual reproduction 5. produces cells that are almost always genetically different 6. produces diploid somatic cells 7. produces haploid gametesWhat is the difference between a chromosomes and a chromatids? a) there is no difference they are the same b) chromatids is always one stand of dna chromosomes can be one or two strand depending on the phase of the cell cycle c) chromatids is always two strands of dna chromosomes can be one or two stands depending on the phase of the cell cycle d) chromosomes are homologous chromatids are identicalThe figure below shows the number of chromosomes observed in an actively dividing cell at each stage of cell division. A B number of chromsomes per cell C 100 90 D 80 A bar graph comparing the number of chromosomes at different stages of cell division. 20 Which of the following best explains the change in the number of chromosomes between metaphase and anaphase? prophase metaphase anaphase telophase cytokinesis stage of cell division New chromosomes formed during prophase are doubled during anaphase. DNA replication occurs between metaphase and anaphase, doubling the number of chromosomes. During metaphase, a cell contains identical copies of each chromosome, and then trans- forms into sister chromatids. During anaphase, the chromatids are separated, each becoming independent chromo- somes in its respective new cell
- 1) Examine the picture of an onion root tip with cells in various stages of the cell cycle. A student claims that interphase is the longest stage of the cell cycle. Another student claims that mitosis is the longest stage. Using evidence from the photo, determine which student is correct and why. A) Mitosis is the longest stage because anaphase requires more time to separate chromatids. B) Interphase is the longest stage because chromosomes are visible in the majority of the cells. C) Mitosis is the longest stage because the majority of the cells in the photo are replicating their DNA. D) Interphase is the longest stage because the majority of the cells in the photo have uncondensed chromatin and are not dividing. Not GradedCompare Mitosis and Meiosis after watching these videos: Cell Cycle, Mitosis and Meiosis https://www.khanacademy.org/science/high-school-biology/hs-reproduction-and-cell-division/hs-the-cell-cycle-and-mitosis/v/mitosis Mitosis (video) | The cell cycle and mitosis | Khan Academy Mitosis is how cells divide! Learn what happens in all the phases of mitosis: prophase, metaphase, anaphase, and telophase. www.khanacademy.org https://www.khanacademy.org/science/high-school-biology/hs-reproduction-and-cell-division/hs-meiosis/v/phases-of-meiosis-i Phases of meiosis I (video) | Meiosis | Khan Academy How homologous chromosomes separate into two sets. Prophase I, metaphase I, anaphase I, and telophase I. www.khanacademy.org https://www.khanacademy.org/science/biology/cellular-molecular-biology/meiosis/v/comparing-mitosis-and-meiosis?modal=1 Comparison Mitosis vs. Meiosis: Side by Side Comparison Mitosis vs MeiosisExamine the picture of an onion root tip with cells in various stages of the cell cycle. A student claims that interphase is the longest stage of the cell cycle. Another student claims that mitosis is the longest stage. Using evidence from the photo, determine which student is correct and why A)mitosis is the longest stage because anaphase requires more time to separate chromatids B) interphase is the longest stage because chromosomes are visible in the majority of the cells C) mitosis is the longest stage because the majority of the cells in the photo are replicating their dna D) interphase is the longest stage because the majority of the cells in the photo have uncondensed chromatin and are not dividing
