BIOLOGY-TEXT
5th Edition
ISBN: 9781260169621
Author: BROOKER
Publisher: MCG
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Chapter 4.5, Problem 1CS
Summary Introduction
To determine: The effects of cell division on chromosome territories.
Introduction: Two daughter cells are produced from one parent cell through cellular division. Cell division is a part of the cell cycle. Vegetative division of eukaryotic cells is referred to as mitosis and reproductive division of eukaryotic cells is referred to as meiosis. Genetically identical daughter cells are produced through mitosis, which is not the case during meiosis.
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Wire Models for Cell Division 1. Mitosis Label the chromosomes at metaphase. Identify the types of chromosomes in the genome. Give the chromosome number (in proper format) and chromosome composition of the cell.
6. Complete the cellular detail for each phase as you observe it in the whitefish cells. Below each drawing , note what is happening to the DNA (chromatin, chromatids, chromosomes)
Chapter 4 Solutions
BIOLOGY-TEXT
Ch. 4.1 - What properties of deep-sea vents made them...Ch. 4.1 - Which protobiont seems most similar to todays...Ch. 4.1 - Core Skill: Connections Look back at Figure 3.11....Ch. 4.1 - Prob. 3CCCh. 4.2 - Prob. 1CCCh. 4.2 - Prob. 2CCCh. 4.3 - Prob. 1CSCh. 4.3 - Prob. 1CCCh. 4.3 - Prob. 2CSCh. 4.4 - Prob. 1CS
Ch. 4.4 - Describe the type of movements that occur between...Ch. 4.4 - Prob. 2CSCh. 4.5 - Prob. 1CCCh. 4.5 - Prob. 1CSCh. 4.5 - If we consider the Golgi apparatus as three...Ch. 4.5 - The Nucleus and Endomembrane System Experimental...Ch. 4.5 - Prob. 2EQCh. 4.5 - Prob. 3EQCh. 4.5 - Prob. 3CCCh. 4.6 - Prob. 1CCCh. 4.6 - Core Skill: Connections Look ahead to Figure...Ch. 4.7 - Prob. 1CCCh. 4.7 - Prob. 2CCCh. 4 - The cell theory states that a. all living things...Ch. 4 - Prob. 2TYCh. 4 - Prob. 3TYCh. 4 - Prob. 4TYCh. 4 - Each of the following is part of the endomembrane...Ch. 4 - Prob. 6TYCh. 4 - Functions of the smooth endoplasmic reticulum...Ch. 4 - Prob. 8TYCh. 4 - Prob. 9TYCh. 4 - Which of the following observations would not be...Ch. 4 - What are the four stages that led to the origin of...Ch. 4 - Explain how motor proteins and cytoskeletal...Ch. 4 - Prob. 3CQCh. 4 - Discuss the roles of the genome and proteome in...Ch. 4 - Prob. 2COQ
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- Instructions: Draw the images asked for. Given a hypothetical cell with ploidy 2n = 6, draw the chromosomes as they move through the different stages of mitosis and meiosis. The colors of the chromosome represent a pair of homologous chromosomes. Please include the colors of the chromosomes in you drawings. Solutions to questions in this portion of the module are found in the university learning management system. Interphasearrow_forwardLearning Task 2: Directions: Identify if the statement is Mitosis or Meiosis. the form of nuclear cell division that results in daughter cells that have one half the 16. chromosome numbers as the original cell. 17. cell gets one complete set of chromosomes, i.e., one of each homologous pair of chromosomes. 18. 19. 20. chromosomes to 46. In organisms that are diploid, the end result is cells that are haploid. Each daughter is the process where the division of cell occurs by asexual reproduction. Lis the only cells that undergo. The joining together of a sperm and egg during fertilization returns the number of the will become sperm or eggs.arrow_forwardActivity 8: Sequencing Meiotic StagesLabel the stage of meiosis in each box below each diagram. Then, cut out each figure and arrange the cells so they reflect the proper order of stages of meiosis -starting with a cell in interphase and ending with the completion of meiosis. Write the letter sequence of the cells in your Lab, Activity #8.AMeiosis in animal cellarrow_forward
- PLEASE HELP WITH BOTTOM QUESTIONarrow_forwardLearning Task 2: Directions: Identify if the statement is Mitosis or Meiosis. 11. 12. 13. 14. attach to the chromatids at the centromere and pull apart the chromatids. 15. is a continuous process of cell division which occurs in all types of living cells. involves four basic phases - prophase, metaphase, anaphase and telophase. in humans, this means the chromosome number is reduced from 46 to 23. In _the nuclear membrane is broken down, spindle fibers (microtubules) each nucleus is identical to the original nucleus as it was in G1.arrow_forwardhelp please fastarrow_forward
- Objective: To review the phases of mitosis with the understanding that in a real tissue or a non-synchronized cell culture, different mitotic phases and cells in interphase will be observed at a certain time. Interphase is the period between mitotic events; all other phases are part of mitosis and their individual probabilities add up to the total probability of seeing cells undergoing mitosis. Pay attention to the individual probabilities for cells in each phase of the cell cycle. Problem N° 10 For a certain type of animal tissue, the probability of a randomly selected cell being in a particular stage of the interphase/mitosis cycle is given by the following table: Stage Probability Interphase 0.5 Prophase 0.1 Metaphase 0.05 Anaphase 0.2 Telophase 0.15 Suppose you examine 100 cells at random from this tissue. A) How many cells do you expect to see in metaphase? _____ cells B) You have selected a high magnification (2000 X) in your…arrow_forwardCell Cycle: Mitosis The Cell Cycle and M Mitosis Worksheet The diagram below shows six cells in various phases of the cell cvcle. Note the cells are not arranged in the order in which mitosis occurs . Use the diagram to answer questions 1-5 Phases of the Cell Cycle A B How can you tell which diagram(s) is/are the end of the cell division? What are structures seen inside the nucleus? Are the cells depicted plant or animal cells? Explain your answer. 4. Use the diagram, at the bottom of your answer sheet, draw the phases/ stages of the cell cycle and arrange them in a correct sequence. 5. Why is mitosis important? Give at least 2 reasons. 37:09 / 38:01 5224arrow_forwardPlease help a. How many chromosomes and/or sister chromatids do Figure A and B show? b. What is the name of the process that took place to get from structure A to structure B?arrow_forward
- MIosis Method: Observations of onion root tip squash. Scan the microscope under the 10x objective. Look for the region that has large nuclei relative to the size of the cell; among these cells will be found cells displaying stages of mitosis. Switch to the 40X objective to make closer observations. Since prophase and prometaphase are difficult to distinguish, classify all these cells as prophase. Record your observations in the table provided. Examples are shown in the figure below. Interphase Early Prophase Mid Prophase 10 Metaphase Anaphase Telophase Exercises: 1. Find and draw a cell showing each stage of mitosis. Interphase Prophase Metaphase Anaphase Telophase , 2. What is a distinguishing visible feature of each stage of mitosis? Interphase: Prophase: Metaphase: Anaphase: Telophase: Many of the cells of the root meristem are not undergoing mitosis; rather they Based upon the interpretations 3. are in a stage called 21arrow_forwardplease help?arrow_forwardInstructions: Draw the images asked for. Given a hypothetical cell with ploidy 2n = 6, draw the chromosomes as they move through the different stages of mitosis and meiosis. The colors of the chromosome represent a pair of homologous chromosomes. Please include the colors of the chromosomes in you drawings. Solutions to questions in this portion of the module are found in the university learning management system. Inarrow_forward
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cell division of meiosis and mitosis; Author: Stated Clearly;https://www.youtube.com/watch?v=A-mFPZLLbHI;License: Standard youtube license