PRESCOTT'S MICROBILOGY
11th Edition
ISBN: 9781264075515
Author: WILLEY
Publisher: MCG
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Chapter 24.4, Problem 5CC
Describe conjugation as it occurs in ciliates. What is the fate of the micronucleus and the macronucleus during this process?
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What are the micronuclei and macronuclei of ciliates? What is their role in the genetic recombination and reproduction of ciliates?
If a cell that had two copies of each chromosome, but problems with the spindle caused the sister chromatids to remain attached to each other and to only one spindle pole, what cells would result?
a) cells with 2 copies of each chromosome and 2 copies of each chromosome
b) cells with 3 copies of each chromosome and 1 copy of each chromosome
c) cells with 6 copies of each chromosome and 2 copies of each chromosome
d) cells with 4 copies of each chromosome and 0 copies of each chromosome
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Which of the following statements describes the
outcome of this process?
A) The two cells that result will each contain half
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Chapter 24 Solutions
PRESCOTT'S MICROBILOGY
Ch. 24.1 - Prob. 1CCCh. 24.1 - Prob. 2CCCh. 24.1 - Prob. 3CCCh. 24.1 - Prob. 4CCCh. 24.1 - Prob. 5CCCh. 24.1 - Describe vesicular, ovular, and chromosomal...Ch. 24.1 - Why has taxonomic classification of protists been...Ch. 24.2 - Prob. 1MICh. 24.2 - What are the functions of the stigma and the...Ch. 24.2 - Prob. 1CC
Ch. 24.2 - What is the function of the plasmalemma and...Ch. 24.2 - Prob. 3CCCh. 24.3 - Prob. 1MICh. 24.3 - Prob. 2MICh. 24.3 - Prob. 1CCCh. 24.3 - Prob. 2CCCh. 24.3 - Prob. 3CCCh. 24.4 - Prob. 1MICh. 24.4 - What are the functions of the micronucleus and...Ch. 24.4 - How does the trigger for sexual reproduction...Ch. 24.4 - Prob. 1CCCh. 24.4 - Compare how radiolaria use axopodia with the way...Ch. 24.4 - Prob. 3CCCh. 24.4 - Prob. 4CCCh. 24.4 - Describe conjugation as it occurs in ciliates....Ch. 24.4 - Prob. 6CCCh. 24.4 - Prob. 7CCCh. 24.4 - Prob. 8CCCh. 24.4 - Prob. 9CCCh. 24.5 - Prob. 1MICh. 24.5 - Compare the morphology of members of the genus...Ch. 24.5 - Prob. 2CCCh. 24 - Prob. 1RCCh. 24 - Prob. 2RCCh. 24 - Prob. 3RCCh. 24 - Prob. 4RCCh. 24 - Prob. 5RCCh. 24 - Prob. 6RCCh. 24 - Protist encystment is usually triggered by changes...Ch. 24 - Vaccine development for diseases caused by...Ch. 24 - Prob. 3ALCh. 24 - Benthic foraminifera inhabit marine sediments. It...Ch. 24 - Prob. 5AL
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- Kinetochores are the a) sites of spindle fiber attachment to chromosomes. b) regions where two chromosomes remain attached during mitosis. c) same as centromeres. d) structures that give support to the nuclear membranearrow_forwardCompare and contrast the morphology and function of the microand macronucleus and trace their fate during ciliate conjugationarrow_forwardA cell in G1 of interphase has 8 chromatins. How many chromosomes and how many DNA molecules will be found per cell as this cell progresses through the following stages: a) metaphase b) anaphase c) after cytokinesis in mitosis d) metaphase I e) anaphase I f) metaphase II g) anaphase II h) after cytokinesis of meiosis IIarrow_forward
- Outline the steps in conjugation of ciliates.arrow_forwardWhich process leads to independent assortment? a)The process of separating chromosomes b)The random alignment of homologs with respect to the others on the metaphase plate c)The process of forming the mitotic spindle d)The process of cytokinesisarrow_forwardThe figure below shows the life cycle of the fungus Neurospora. The adult stage of the Neurospora is a multicellular haploid. a) Between which two stages of the Neurospora life cycle (shown above) do most mitotic cell division oarrow_forward
- What is the function of the plasmalemma and pellicle in euglenid cells? How are these structures similar to the bacterial cell wall?arrow_forwardA cell in G1 of interphase has 12 chromosomes. How many chromosomes and DNA molecules (chromatids) will be found per cell when this original cell progresses to the following stages? a) G2 of interphaseb) Metaphase I of meiosisc) Prophase of mitosisd) Prophase II of meiosise) After cytokinesis following mitosis f) After cytokinesis following meiosisarrow_forward4) What is occurring during the Anaphase stage of mitosis, such as is shown in the figure to the right? A) The DNA is being replicated. B) The homologous chromosomes are separating. C) Sister chromatids are being pulled to opposite poles. D) A cleavage furrow is forming to divide the cell. Inid parents made gametes usingarrow_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_forwardThe stages of the cell cycle, are in part, regulated by A) sister chromatids B) G2 C) ploidy D) cyclin concentrationsarrow_forwardThis form of cell division involves segregation of sister chromatids. (Choose one answer.) O A) mitosis only O B) meiosis only C) both mitosis and meiosis D) neither mitosis or or meiosis CS Scanned with CamScannerarrow_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