growth of the root and is one of the regions in the plant where cells are actively dividing and growing. Because of this‚ the root tip is an excellent system in which to observe the entire cell cycle‚ including the processes of nuclear division (mitosis) and cell division (cytokinesis). You will be submitting a lab report as the assignment for this lesson. Be sure to read the instructions before completing the virtual lab activity and your lab report. Refer to the lab rubric before you submit your
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11/9/2011 AICE Biology Ch 6 Jones; Ch 10 Raven Content • Replication and division of nuclei and cells • Understanding of chromosome behavior in mitosis Learning Outcomes Candidates should be able to: (a) explain the importance of mitosis in the production of genetically identical cells‚ growth‚ repair and asexual reproduction; (b) [PA] describe‚ with the aid of diagrams‚ the behavior of ( )[ ] chromosomes during the mitotic cell cycle and the associated behavior of the nuclear envelope
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onion root tip specimen Purpose: * understand and identify the stages of the cell cycle and mitosis. * apply an analytical technique to estimate the relative length of each stage of the cell cycle. Hypothesis Procedure: I predict that all cells somatic will suffer all the division of mitosis multiple times in their lifetime; the product would be able to see the chromosomes in a stage of mitosis. It is predicted that the cells won’t be seen clears or big enough‚ but is going to give ideas
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This tells us bulb D‚ the onion immersed in the highest caffeine concentration‚ had the hardest time growing. With that said‚ one would expect to see the most mitosis in bulb A. This is because mitosis increases cell growth and number. However‚ after recording the number of mitotic phases in each treatment bulb B had the most cells in mitosis and bulb A had the least. This could’ve been due to the experimental problems in the next paragraph. Bulb A’s roots grew the most because this onion only ever
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TUTORIAL 9 - Student Genetics: Transcription and Translation AIMS: 1. To understand keywords and use them as an aid to study facts 2. To get a better understanding of transcription and translation LEARNING OBJECTIVES: 1. Comprehensive reading 2. To associate certain facts with each other‚ therefore creating a bigger picture Exercise 1a: Firstly‚ fill in the structure names for each picture. Secondly‚ describe in a short paragraph what u looking at‚ where u find it and the
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Introduction The purpose of this lab was to recognize the stages as well as events of mitosis and meiosis in a plant cell or an animal cell. The relative duration of each stage in the cell cycle will also be learned during this lab. By doing this lab we will also create a model of and understand the process of crossing over. This lab also helps students understand the similarities along with differences between mitosis and meiosis. Purpose The objectives of the lab were to help give us a better
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uncontrolled division of unusual cells in a part of the body. It is a disease of mitosis‚ which begins when one cell is transformed from a normal cell to a cancerous cell. Mitosis is a type of cell division which has 6 steps (Interphase‚ Prophase‚ Metaphase‚ Anaphase‚ Telophase‚ and Cytokinesis) that result in two daughter cells that are clones of the parent. Cancerous cells do not abide by the normal instructions of mitosis. Instead‚ the cells speed through many of these stages and continue to divide
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DNA molecules are produced‚ and a cell replicates it’s chromosomes. In the final stage of interphase‚ G2‚ a cell gets ready to divide and the organelles and molecules needed for cell division are produced. After interphase‚ the cell begins mitosis. The mitosis stage is made up of four smaller phases. The phases‚ in order‚ are prophase‚ metaphase‚ anaphase‚ and telophase. During prophase‚ the chromatin condense into chromosomes‚ the centrioles separate‚ the nuclear envelope breaks down‚ and a spindle
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chromatids separate. d. After meiosis II‚ the four daughter cells contain the diploid number of chromosomes. 9. Highlight the letter of each sentence that is true about mitosis and meiosis. a. Mitosis produces four genetically different haploid cells. b. Meiosis produces two genetically identical diploid cells. c. Mitosis begins with a diploid cell. d. Meiosis begins with a diploid cell. 10. At the beginning of meiosis‚ two homologous chromosomes pair up. These two homologous chromosomes are
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Virtual Lab: The Cell Cycle and Cancer Worksheet 1. In which phase of mitosis do each of the following occur: a. Centromeres split and chromosomes move toward opposite sides of the cell- Anaphase b. Chromatin coils to form visible chromosomes - Prophase c. The nuclear membrane disappears- Prophase d. Sister chromatids line up in the center of the cell- Metaphase 2. In which phases of mitosis are sister chromatids visible‚ and attached to each other at the centromere? Metaphase
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