Match the mitotic cell division stage to its description. chromosomes randomly attach to spindle fibers across the middle of the cell the cell membrane pinches in, two new nuclear membranes form around daughter chromosomes that have reached the ends of the cell A. metaphase B. early interphase vDNA is in chromatin form and unduplicated in a single cell C. late interphase DNA is as chromatin and unduplicated as cytoplasm divides one cell into two equal cells D. prophase DNA and organelles are double the amount of a regular body cell E. telophase F. anaphase daughter chromosomes are moving along spindle fibers towards opposite ends of the cell G. cytokinesis the nuclear membrane is disintegrating, centrioles begin building spindle fibers, DNA condenses

Match the mitotic cell division stage to its description. chromosomes randomly attach to spindle fibers across the middle of the cell the cell membrane pinches in, two new nuclear membranes form around daughter chromosomes that have reached the ends of the cell A. metaphase B. early interphase vDNA is in chromatin form and unduplicated in a single cell C. late interphase DNA is as chromatin and unduplicated as cytoplasm divides one cell into two equal cells D. prophase DNA and organelles are double the amount of a regular body cell E. telophase F. anaphase daughter chromosomes are moving along spindle fibers towards opposite ends of the cell G. cytokinesis the nuclear membrane is disintegrating, centrioles begin building spindle fibers, DNA condenses

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter10: Cell Reproduction

Section: Chapter Questions

Problem 32CTQ: Chemotherapy drugs such as vincristine (derived from Madagascar periwinkle plants) and colchicine...

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QUESTION 40 What is the driving force to separate the sister chromatids during Anaphase A of mitosis? A. Loss of microtubule subunits from the plus ends of the kinetochore microtubules B. Addition of microtubules at the plus ends of the chromosomal microtubules. C. Loss of microtubule subunits from both ends of the astral microtubules. D. Addition of microtubule subunits at the plus ends of the overlap microtubules.
Need help with question: -If a nucleus has 12 chromosomes during interphase,how many chromosomes does it have during metaphase? How many are there after mitosis has finished? - the contrast of the cleavage furrow with the cell plate. Offer details at the cellular level.
Question1. A cell contains 4 metacentric, 4 acrocentric, and 2 submetacentric chromosomes. Under normal conditions, what percentage of the daughter cells after meiosis will have... a. 4 metacentric chromosomes?b. 2 pairs of acrocentric and submetacentric each?c. A pair of submetacentric chromosomesd. 2 acrocentric chromosomes?
QUESTION 5 Which of the following statements are correct about cellular karotypes and cancer (select all that apply)? A. Chromosomal translocation are only observed in hematopoietic cell tumors and not solid tumors B. Chromosomal translocations occur at similar similar frequencies in all tumor types C. Changes in chromosome number in cancer cells are often caused by mis-segregation o chromosomes during cell division D. Cancer cells alway have the same number of chromosomes as normal cells E. A cancer cell that has no observed chromosomal instability likely has extensive mutations and/or microsatellite instability
QUESTION 32 "The cell volume shrinks, cells lose cell-cell contact, the actin cytoskeleton is fragmented, the cell membrane forms blebs, chromatin is chopped into small pieces, and the cell is eventually phagocytosed" is a description of which of the following cell states? A. G0 B. Quiescence C. Mitosis D. Senescence E. Apoptosis
QUESTION 3 Which of the following statements regarding microtubules is FALSE? A Microtubules are polar. B Microtubules are inherently unstable and rapidly disassemble with low GTP concentrations. C Microtubule-binding proteins, such as Tau, always bind to microtubules to destabilize them. D Microtubules are composed of 13 protofilaments that are arranged into a hollow cylinder. E Microtubules are typically arranged in cells such that their plus (+) ends are directed towards the plasma membrane and their minus (-) ends are attached to the centrosomes.
Pre-lab Questions: Answer these questions before your scheduled lab period. Why is it critical that cells are able to go through mitosis? What is the purpose of meiosis? Briefly explain the 3 major stages of the cell cycle. The process of mitosis is subdivided into 4 stages: prophase, metaphase, anaphase and telophase. During which stage of mitosis do the following occur? ____________________ Chromosomes line up at the equator ____________________ Nuclear envelope disappears and chromosomes condense _____________________ Microtubules pull sister chromatids apart d._____________________ Nuclear envelope reappears and chromosomes condense 5.Name one way the cellular division differs between plant and animal cells. Name 3 differences between mitosis and meiosis. 1) 2) 3)
In which stage does crossing over of chromosomes occur? Question options: Prophase I Metaphase Prophase II Interphase
Question: 1 Explain why the following statements are false and reword them to be true, regarding meiosis or mitosis. 1. Sister chromatids are always identical copies of each other. 2. Each pair of sister chromatids attaches to one of the two centromeres during prometaphase. 3. A chromosome always consists of two sister chromatids.
When do sister chromatids separate in meosis? Question 30 options: Metaphase II Prophase II Prophase I Metaphase I
QUESTION 28 Which of the following is the primary method by which cyclin proteins are regulated to influence entry into the cell cycle or transition from one stage to the next? A. Transcriptional upregulation and translation followed by targeted ubiquitin-mediated degradation by a proteasome. B. Phosphorylation to regulate the activity of the kinase site. C. An activating phosphorylation and an inactivating phosphorylation. D. All of these are mechanisms that can be used to regulate cyclins.
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