Microbiology: An Evolving Science (Fourth Edition)
4th Edition
ISBN: 9780393615098
Author: John W. Foster, Joan L. Slonczewski
Publisher: W. W. Norton & Company
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Chapter 20.5, Problem 2TQ
Summary Introduction
To review:
The advantages and limitations of conjugation in ciliates as compared to gamete production.
Introduction:
The ciliate belongs to a group of protozoans differing by the presence of hair-like structures called cilia that are responsible for their motility. Ciliates reproduce asexually by various types of fission. Ciliate conjugation is a type of sexual reproduction that causes genetic recombination and nuclear reorganization in the cell.
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Microbiology: An Evolving Science (Fourth Edition)
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- How does sexual reproduction occur in bacteria? How different are the modalities of bacterial sexual reproduction?arrow_forwardWhich are the three tetrad types produced by meiosis of dihybrid yeast?arrow_forwardWhy must the life cycle of sexually reproducing species alternate between haploid and diploid stages? A) Mitosis must occur at some point in the life cycle to prevent a doubling of chromosomes in each generation. B) Meiosis must occur at some point in the life cycle to prevent a doubling of chromosomes in each generation. C) Mitosis must occur at some point in the life cycle to prevent a reduction of chromosomes in each generation. D) Meiosis must occur at some point in the life cycle to prevent a reduction of chromosomes in each generation.arrow_forward
- Why is meiosis important in sexually reproducingorganisms?arrow_forwardPlasmogamy is the fusion of(a) two haploid cells including their nuclei.(b) two haploid cells without nuclear fusion.(c) sperm and egg.(d) sperm and two polar nuclei. Please try to break the solutions into as many steps as practically possible and the steps should come one by one and they should be short and crisp and plagiarism-free.arrow_forwardUnlike mitosis, meiosis in male mammals results in the formation of a) one haploid gamete b) three diploid gametes c) four diploid gametes d) four haploid gametes Please I need a surely answer and a quicker responsearrow_forward
- 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 gradedarrow_forwardHow do eukaryotes reproduce asexually?arrow_forwardChromatids are separated from each other. a) The statement is true for meiosis II only. b) The statement is true for mitosis only. c) The statement is true for mitosis and meiosis I. d) The statement is true for mitosis and meiosis II. e) The statement is true for meiosis I only.arrow_forward
- What is haploid (n) ?arrow_forwardThe process by which haploid cells are produced from diploid cells is called A( sexual reproduction. B) meiosis C) gameoto reduction D) mitosisarrow_forward8) The diagram below represents a yeast cell that is in the process of budding, a form of asexual reproduction. Nucleus -Bud "Nucleus Which of the following statements describes the outcome of this process? A) The two cells that result will each contain half the species number of chromosomes. B) The two cells that result will have identical DNA. C) The bud will develop into a zygote. D) The bud will start to divide by the process of meiotic cell division.arrow_forward
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genetic recombination strategies of bacteria CONJUGATION, TRANSDUCTION AND TRANSFORMATION; Author: Scientist Cindy;https://www.youtube.com/watch?v=_Va8FZJEl9A;License: Standard youtube license