Chapter 8: Cellular Reproduction – Cells from Cells 1. What are the three important roles of cell division? 2. Compare 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
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Like cement sets the foundation for a house‚ the cell theory sets the foundation for biology. Schleiden and Schwann proposed the cell theory‚ which states that the cell is the basic unit of life and that new cells arise only from the reproduction of already existing cells via cell cycle‚ in 1839. Since the cell is the structural and functional unit of life as the house is for a community‚ without the house the community would be irritated and would not be stable‚ the community would therefore cease
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Our planet is blessed with biodiversity composed of prokaryotes and eukaryotes. Almost all of them have specialized systems of sensing light‚ sensory and/or motor response composed of a cell‚ tissue or organ like eyes and brain. The Pax (Paired box) genes and proteins have been observed critical during formation of such tissues or organs and Pax family transcriptional regulators remain critical to maintain their functional anatomy. The Paired Box 6 (Pax6) best exemplifies the conservation of functions
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EMPLOYMENT VS EDUCATION: WORKING STUDENTS’ PERCEPTION AND PRIORITIZATION OF BSOA WORKING STUDENTS Belmonte‚ Darwin Calingasan‚ Chesca Calumpiano‚ Deo Macabenta‚ Angeline Omlas‚ Dorris Anne Sanoy‚ Cierissa Joy Talaro‚ Cristine RESEARCHERS SY: 2014-2015 Chapter I The Problem and Its Background INTRODUCTION Students are working hard‚ a new study finds‚ taking on part-time and even sometimes full-time jobs to avoid racking up more debt while in school. They have different perception
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AAA ATT AAC ATG TAA-3’ 3’-GTC TTC TTT TAA TTG TAC ATT-5’ If the bottom strand serves as the template‚ what is the mRNA sequence produced by transcription of this DNA sequence and Why? 5’-CAG AAG AAA AUU AAC AUG UAA-3’ mRNA sequence 3’-GTC TTC TTT TAA TTG TAC ATT-5’ DNA template strand We get the mRNA sequence due the transcription process‚ which gives us the RNA bases that are complementary to the DNA template strand that uses uracil opposite to adenine. The RNA polymerase
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the lux operon‚ could not be transcribed from the same strand because the RNA polymerase recognizes a promoter sequence only in the direction of 5’ to 3’‚ and the lux R gets transcribed in the opposite direction from the lux operon. Thus‚ the transcriptions of luxR and lux operon have to occur on two different strands including coding strand and template strand. Question#4: -For lux A: (5294-4230) +1= 1065 nt (1065/3)-1= 355 amino acids -For lux B: (6313-5333)+1= 981nt
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membrane‚ nucleus‚ mitochondria‚ chloroplasts‚ ribosomes‚ endoplasmic reticulum‚ golgi apparatus‚ lysosomes‚ vacuoles‚ cytoskeleton What is an allele? Be able to define the following: Genotype‚ Phenotype‚ Transcription‚ Translation Know the steps involved in transcription and translation What are mutations? How do they lead to evolutionary changes? Mutations that affect genes affect the phenotype What experiment was used to show "evolution in action"? Fruit flies and starvation
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WNOX’s Mid-Day Merry-Go-Round‚ which aired from 1936 to 1961‚ was a pivotal program in the history of country music. Wildly popular throughout East Tennessee and bordering states‚ the show’s legacy outside of Knoxville will likely remain as something of a farm team for acts who would go on to make it big in Nashville. A few off-air and studio recordings from the 1950s have been found‚ but it’s long been thought that no recordings of the show’s earliest days survived. Turns out a recording of the
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suppressor gene has been found to be mutated in more than 50% of human cancers‚ it has attracted the interest of numerous researchers. The capacity of p53 for multiple biological functions can be attributed to its ability to act as a sequence-specific transcription factor to regulate expression of over one hundred different targets‚ and thus to modulate various cellular processes including apoptosis‚ cell cycle arrest and DNA repair. The p53 protein with its unique C- and N-terminal structures is rigidly
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Unit 3 Growth & Heredity Exam Review & Study Guide WHAT SHOULD I KNOW ABOUT… DNA STRUCTURE‚ DNA REPLICATION‚ Tx‚ Tl‚ MUTATIONS‚ CELL CYCLE‚ MITOSIS‚ MEIOSIS‚ MENDELIAN GENETICS Review/Use the following: Vocab lists‚ ISN Pages‚ Practice Questions‚ Lectures‚ Book Chapters 12‚ 9‚ 10 DNA STRUCTURE 1. What role did Rosalyn Franklin play in our understanding of DNA’s structure? She discovered the double-helix position of the DNA. 2. What role did James Watson & Francis Crick play in our understanding
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