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Published byMagnus McDaniel Modified over 9 years ago
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200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 200 300 400 500 100 Cell Organelles DNA Replication Mitosis & Cell Cycle Asexual Reproduction Sexual Reproduction
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The organelle that makes ribosome
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Nucleolus
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Three organelles that plant cells would have that animal cells wouldn’t
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Cell Wall Central Vacuole Chloroplast
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The “highway system” of the cell
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Endoplasmic reticulum
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Genetic material (DNA) is found in this organelle
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Nucleus
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Reason why cells must divide
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Nutrient supply across the cell membrane can not keep up with nutrient demand of a larger cell
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What does DNA stands for? And What shape does DNA take?
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Deoxyribonucleic acid Double Helix
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The three parts that make up DNA and the small segments of DNA are called what? ______________________
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Sugar, Phosphate and Bases Gene
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Provide names to 4 bases found in DNA and indicate their pairing partners.
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A (adenine), T (Thymine), C (Cytocine), G (guanine) A with T; C with G Note : if one of your DNA strands has the following sequence…. ATTAAGCA What would be the complimentary strand?
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Most of the time DNA exists in the nucleus in the form of what ? ___________________
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Chromatin
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How is the message for a protein (to be made) carried from the nucleus to the ribosome?
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The DNA message for a specific protein is copied into RNA which leaves through nuclear pore and delivered message to the ribosome
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The longest stage of the cell cycle?______________ What occurs during that phase? (provide 3 reasons)
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Interphase: -growth and preparation -DNA replication continued growth and preparation (including copy organelles and making proteins)
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Draw sister Chromatids. Make sure to label the centromere. What do the two sister chromatids have in common
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Sister chromatids are replicated chromosomes. They are identical copies of DNA
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Q1:What Phase of mitosis is occurring in the diagram below? Q2: Explain what is happening in the phase above.
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The sister chromatids are being ripped apart at he centromere and move to the opposite sides of the cell
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Q: If you started out with 365 chromosomes in the parent cell, how many chromosomes would each of the daughter cells have
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365
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Q:What occurs during metaphase?
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Chromosomes line up across the middle of the cell
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The process by which one cell divides into two new cells
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Mitosis
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Q:Which of the following is not a type of asexual reproduction? Spore formation, gamete formation, binary fission, budding, fragmentation, vegetative reproduction?
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Gamete formation
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Q: What type of asexual reproduction is occurring in the diagram found below?
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Binary fission
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Phase of cell division that is not really part of mitosis
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Cytokinesis
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Stage during which chromatids replicate to produce chromosomes
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Interphase
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Q: The sperm & egg are referred to as… Q: How many chromosomes will an egg or sperm cell have if the parent cell had 46 chromosomes? It is described as _____________ (haploid/ or deploid)
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Gametes, 23 chromosomes, haploid
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A pair of matching chromosomes are said to be …
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Homologous
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Q: What stage of meiosis is occurring in the picture found below? Q: Referring to the picture above, what has lined up along the equator? Q: What can occur during meiosis
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Metaphase I, homologous chromosomes, crossing over
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Why meiosis is required for sexual reproduction
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Haploid gametes combine to form a normal diploid zygote.
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What is the difference between Anaphase I and Anaphase II?
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Anaphase I: homologous chromosome pairs are pulled away from each other towards opposite ends of the cell Anaphase II: sister chromatids are split apart at the centromere and move to the opposite pole.
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Q:What are two advantages of asexual reproduction? What is the major advantage of sexual reproduction?
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Asexual Reproduction: 1. Genetically identical offspring 2. lots of offspring can be reproduced quickly Sexual Reproduction: Genetic diversity
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