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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1. Explain what must happen in order for Greg and Susan to have a child with O type blood and nail-patella syndrome. Greg needs to pass down his chromosome 9 which carry the alleles‚ n and i. Susan also has the n and I alleles on chromosome 9. If both these alleles from both parents are passed down‚ it will create the allele Nnii which produced the blood type O and nail patella syndrome. 2. Determine all possible parental and recombinant gametes produced by Greg and Susan. Greg’s parental
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Microbiology Animations With Quizzes: Binary Fission. What are the stages of binary fission? The parent cell maximizes‚ cell duplicates its chromosome‚ exact copies are made of genetic material inside parent cell‚ wo molecules of DNA are attached to the cell’s plasma membrane‚ the cell then grows‚ it then increses the distance between the two duplicating chromosomes that are attached to the
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or too few chromosomes‚ which is known as aneuploidy. Embryos with aneuploidy may be born with conditions like Down syndrome or Trisomy 21. In other cases‚ aneuploidy results in a miscarriage. Preimplantation genetic screening can determine if an embryo has the correct number of chromosomes to develop into viable pregnancy and a healthy baby. Not only does PGS allow our physicians at our Louisiana fertility centers to be 99% certain that the embryo has the correct number of chromosomes‚ it also allows
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Taxol must affect… A. Formation of the mitotic spindle This answer is A‚ because the drug Taxol disrupts microtubule formation‚ without microtubule formation the mitotic spindle will not be able to form. 8.) Why do chromosomes coil during mitosis? B. To allow the chromosomes to move without becoming entangled and breaking This answer can be found in the book on page 229‚ Figure 12.3. 12.) Which of the following is true concerning cancer cells? E. When they stop dividing‚ they do so at random
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driving. 2. The eyes of an experienced driver sweep into the curve several seconds before reaching it. 3. Colorblindness primarily affects males. The genes for red and green cones are on the X chromosome and males have only one copy of this chromosome. Females‚ on the other hand‚ have a second X chromosome that serves as a backup if something goes wrong with the first. About one man in ten is colorblind. How will this information affect you as a driver now and in the future? (2-3 sentences)
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Eukaryotes are organisms whose cells are organized into complex structures by internal membranes and a cytoskeleton. The most characteristic membrane bound structure is the nucleus. This feature gives them their name‚ (also spelled "eucaryote‚") which comes from the Greek word referring to the nucleus. Animals‚ plants‚ fungi‚ and protists are eukaryotes. Microorganisms and all other living organisms are classified as prokaryotes or eukaryotes. Prokaryotes and eukaryotes are distinguished on the
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and contrast sexual and asexual reproduction. 3. Distinguish between the terms: DNA‚ gene‚ chromosome‚ replicated chromosome‚ sister chromatid and centromere. 4. What are the two phases of the cell cycle? What are the three stages of interphase? 5. Mitosis is the division of the ______‚ while cytokinesis is the division of the ______. 6. Describe the appearance and the location of the chromosomes during the four stages of mitotic cell division‚ as pictured in Figure 8.7. 7. How is cytokinesis
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behaviour of chromosomes during meiosis leads to variation. In this report you must explain crossing over and independent assortment (P4). (Max 500 words) 1c Create a table comparing mitosis and meiosis (P2). Task 2 2 Carry out practical investigations to record stages of cell division in garlic / onion root tip cells (P3). Using photographs of your results identify at least 5 cells that are dividing and explain the stage these cell are in and the behaviour of the chromosomes.(P2 & M2)
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Fragile X syndrome‚ also called Martin-Bell syndrome‚ is a syndrome of X-linked mental retardation. In 1943‚ Martine and Bell described a pedigree of X-linked mental disability. Chris and Weesam were first to sight an unusual “maker X chromosome” with mental disability in 1969. It is also the most common known cause of autism. Autism is a brain development disorder that impairs social interaction and communication. It can also cause restricted and repetitive behavior. It all starts before
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