Western Mindanao State University College of Science and Mathematics Zamboanga City Group No.: 02 Date Performed: April 21‚ 2014 Group Members: Date Submitted: April 25‚ 2014 Reales‚ Pharra Anthea O. Pendergat‚ Ellyssa Mae A. Pedroza‚ Rikko Jeremy C. Dinorog‚ Ivy Mae V. BIO 101 LABORATORY Activity No.: 4 Movements of Materials Across Membrane I. INTRODUCTION Many important reactions and processes in materials occur by the motion of atoms in the solid (transport)‚ which happens
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Cell division consists of two processes: mitosis and cytokinesis. Mitosis— division of the nucleus and its chromosomes— is divided into five phases:prophase‚ prometaphase‚ metaphase‚ anaphase‚ and telophase. Mitosis is followed by cytokinesis‚ when the cytoplasm splits to form two separate daughter cells. The cytoplasm of a cell in late interphase contains two centrosomes‚ each of which may contain a pair of centrioles. In the nucleus‚ the chromosomeshave been replicated during S phase‚ but are
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the tempo of their own division run amok‚ causing disease In a healthy body‚ cell division allows for: growth the replacement of damaged cells development from an embryo into an adult In sexually reproducing organisms‚ eggs and sperm result from: Mitosis Meiosis Cell Division and Reproduction 8.1 Cell division plays many important roles in the lives of organisms Organisms reproduce their own kind‚ a key characteristic of life Cell division is reproduction at the cellular level requires the duplication
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Part 2: Effects of Environment on Mitosis. Experimental Hypothesis: If we put onion root tips in IAA solution then the rate of Mitosis will increase. Null Hypothesis: There will be no difference Part 1- Post Lab Question If a cell contains a set of duplicated chromosomes‚ does it contain any more genetic information than the cell before the chromosomes were duplicated? No‚ because if it is duplicated‚ it would have the same number of chromosomes unless there was a
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Nuclear envelopes reform‚ chromosomes relax‚ and cytoplasm divides. 6. In what ways are mitosis and meiosis similar? In what ways are they different? A: Mitosis is not for sex cells. Mitosis also uses RNA to replicate the DNA and divide. Meiosis is for sex cells (sperm and egg) and doesn’t use RNA to replicate. They are similar in that they are the two main ways that cells divide to form more cells. Mitosis provides four cells and meiosis provides two cells.
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Kurt Ian Khalid I. Israel 7- Cazz The Stages of Mitosis The process of mitosis is divided into 6 stages. The Interphase‚ Prophase‚ Metaphase‚ Anaphase‚ Telophase‚ and cytokinasis. At Interphase‚ there is only one cell‚ but after cytokinasis there are two identical cells. Before mitosis can take place‚ the cell need to store enough energy to drive the chemical processes during the cell division. During this period of time‚ there is intense cellular activity. The cell grows in
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conditions Aerobic conditions 3 BLG1501/201/S2/2012 Question 10.3: Make labelled drawings to illustrate the different phases of mitosis in an animal cell with two chromosomes. (20) Answer Question 11.6: Tabulate the key differences between mitosis and meiosis. (14) Answer: Mitosis Meiosis DNA replication occurs during DNA replication occurs during interphase before mitosis begins interphase before meiosis 1 begins One division Two divisions Synapsis does not occur Synapsis occurs during prophase
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normal wear and tear or injury to them. All cells grow and die at different rates. The cell cycle can be divided into three periods: interphase‚ the mitotic phase‚ and cytokinesis. During interphase‚ the cell grows‚ accumulating nutrients needed for mitosis‚ preparing it for cell division and duplicating its DNA. During the mitotic phase‚ the cell splits itself into two distinct daughter cells. During the final stage‚ cytokinesis‚ the new cell is completely divided. To ensure the proper division of the
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Value A. carcinogenesis B. mutagenesis C. angiogenesis D. metastasis 100% E. mitosis Score: 1/1 3. Consider a strand of DNA with the sequence GAATTCGGCA. What is the sequence of the complementary strand? Student Response Value A. AGGCCTAATG B. TCCGGATTAC C. CTTAAGCCGT 100% D. ACGGCTTAAG E. GAATTCGGCA Score: 1/1 4. Which of the following is NOT a part of mitosis? Student Response Value A. metaphase B. anaphase C. prophase D. telophase
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1. Read the press release on the 2001 Nobel Prize. Summarize in a few paragraphs the accomplishments of these scientists‚ and the relevance of their discoveries. (Answer in 500 words or less. Send to instructor) The Nobel Prize in Physiology or Medicine 2001 was awarded jointly to Leland H. Hartwell‚ Tim Hunt and Sir Paul M. Nurse "for their discoveries of key regulators of the cell cycle". They have identified key molecules that regulate the cell cycle in all eukaryotic organisms‚ including
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