Below are three statements - two of which are truths and one is a lie. Which of the following statements is a lie? Select one: a.The role of centrosomes in the plant cell is not clear since it can proceed cell division with or without it. b.The central vacuole's function includes serving as a lysosome in the plant cell. c.Metabolic processes in the prokaryotic cell are all done in its cytoplasm.

Below are three statements - two of which are truths and one is a lie. Which of the following statements is a lie? Select one: a.The role of centrosomes in the plant cell is not clear since it can proceed cell division with or without it. b.The central vacuole's function includes serving as a lysosome in the plant cell. c.Metabolic processes in the prokaryotic cell are all done in its cytoplasm.

Biology: The Dynamic Science (MindTap Course List)

4th Edition

ISBN:9781305389892

Author:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Publisher:Peter J. Russell, Paul E. Hertz, Beverly McMillan

Chapter10: Cell Division And Mitosis

Section: Chapter Questions

Problem 2ITD

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In the mitosis experiment, in what stage were most of the onion root tip cells in? Based on what you know about cell cycle division, what does this imply about the life span of a cell? Were there any stages of the cell cycle that you did not observe? How can you explain this using evidence from the cell cycle?
Which of the following statements about cell division in prokaryotes and eukaryotes is correct? a. In prokaryotes, all cells divide if conditions are favourable; in eukaryotes, only a few cells divide, and they do so according to a developmental program b. After cell division, the daughter cells are genetically identical in prokaryotes but genetically different in eukaryotes c. In prokaryotes, only a few cells divide to ensure survival of the colony without depleting too many resources from the environment d. The process of segregation is more complicated in prokaryotes than in eukaryotes e. Reproductive signals for initiation of cell division are intracellular for prokaryotes and extracellular for eukaryotes
Which of the following statements correctly identifies the difference between plant and animal cell division? Select one: a. The cell walls of plants prevent the process of cytokinesis. b. Plants cells lack centrioles, and they form a cell plate during cytokinesis. c. Both plant and animal cells undergo mitosis and cytokinesis, but they lack the interphase. d. Plant cells lack centromeres, and they form a cell wall to produce two daughter cells.
Biologists have long been interested in the effects of radiation on cells. In one experiment, researchers examined the effect of radium on mitosis of chick embryo cells growing in culture. A population of experimental cells was examined under the microscope for the number of cells in telophase (as a measure of mitosis occurring) before, during, and after exposure to radium. The results are shown in the Figure. What is the effect of radium exposure on mitosis? Source: R. G. Canti and M. Donaldson. 1926. The effect of radium on mitosis in vitro. Proceedings of the Royal Society of London, Series B, Containing Papers of a Biological Character 100:413419.
In the context of cell biology, what do we mean by form follows function? What are a least two examples of this concept?
In the tracking chromosomal DNA movement through mitosis experiment, how many chromosomes did each of your daughter cells contain? Why is it important for each daughter cell to contain information identical to the parent cell? How often do human skin cells divide? Why might that be? Compare this rate to how frequently human neurons divide. What do you notice?
What is a chromosome? How many chromosomes are in humans? 2.- What are the phases of the cell cycle? Why are important? 3.- a: What is the interphase ? b: Please explain the phases of the interphase. 4.- Why the cells are capable to maintain the homeostasis? 5.- Please name the organelles in the cell, and explain Golgi Apparatus, and Nucleolus: __________________.
One important biological effect of a large dose of ionizing radiation (like X-rays) is to halt cell division. How does this occur? To answer this question, state the name and role of 2 specific and important proteins involved in the process. What happens if a cell has a mutation that prevents it from halting cell division after be irradiated? Be specific and detailed. An adult human who has reached maturity will die within a few days of receiving a radiation dose large enough to stop cell division. What does that tell you about cell division? In addition, name 2 different/unique cell types that would be primarily affected.
What is the final result of mitosis in a human A) nearly genetically identical 2n somatic cells B) genetically different 2n somatic cells C) nearly genetically identical 1n somatic cells D) genetically identical 2n gamete cells Which of the following statements is TRUE? A) A single, replicated chromosome with sister chromatids has two centromeres. B) A single, unreplicated chromosome has two DNA molecules. C) Sister chromatids from a single chromosome are connected at the centromere. D) Homologous chromosomes are connected at the centromere. The first gap in the cell cycle (G1) corresponds to _____. A) normal growth and cell function B) the phase in which DNA is being replicated C) the beginning of mitosis D) the phase between DNA replication and the M phase In a diploid cell from a specific species has 5 chromosome pairs, how many sister chromatids will be found in a nucleus at prophase of mitosis? (Draw it!) A) 5 B) 10 C) 20 D) 40 Consider a cell from the species above.…
Researchers studying cell cycle regulation in budding yeast have observed that a mutation in the CDC15 gene causes cell cycle arrest in telophase when the yeast cells are incubated at an elevated temperature. Which of the following statements best predicts the effect of the cell cycle arrest on proliferating yeast cells? A. Restate the question and record the right answer. B. Why is this the correct answer?
The image below is of a stained onion root tip. Determine the phase of mitosis that each cell below is in, and record that below. Look closely - cells that are clearly stained are numbered in the image below. Use those numbers when assigning the phase of mitosis for each cell. Using the same onion root tip image and data from the question above, which phase are the majority of cells in? Make a conclusion about what this means about the length of each phase of the cell cycle.
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 - repair of damaged cells B - production of gametes for sexual reproduction C - replacement of lost cells D - asexual reproduction E - growth of the organism