Introduction Cancer‚ when you read that word what goes through your head? Many of us know someone who has been diagnosed with this terrible disease. It is one of those diagnoses where you just don’t know what is going to happen. It can be very unpredictable‚ however there are many more cases where those who were diagnosed go into remission. Cancer is so hard to treat because the tumor cells are constantly growing and mutating. The tumor itself is a mutation of our own cells and since it is an ever
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reason that bacterial conjugation is not the same as sexual reproduction is that the numerous genes necessary for conjugation are not located on the bacterial chromosome‚ but on small circular DNA self-replicating parasitic elements called conjugative plasmids. Thus‚ conjugation arises from an adaptation of parasitic DNA for its own transmission.[3] The second alternative view on the
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Prokaryotic and Eukaryotic Cells Cells are the basic building block of life. Cells can be either Eukaryotic or Prokaryotic cells. Organism can only contain either one but not both of them. Prokaryotic cells are usually much smaller than Eukaryotic and are less complex. Bacteria are made up of one or more prokaryotic cells. Bacteria are made up of one or more prokaryotic cells. While Eukaryotic cell are found inside plant and animal life. Eukaryotic are more advanced and larger. Prokaryotic cell
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1. Plant breeders wanted to produce a better variety of tomato by selective breeding. Two plants‚ of the varieties Tangella and Piranto‚ were crossed. (a) Some flowers of each variety were covered with cellophane bags. The diagram shows a covered flower and a brush. (i) Explain why some flowers were covered with cellophane bags during the selective breeding. .......................................................................................................................... ........
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2015 IfAS JODHPUR CSIR NET LIFESCIENCE JUNE 2015 SOLVED PAPER BY IFAS JODHPUR PART ’A’ 1. What is angle x in the schematic diagram given below? 9. Let m and n be two positive integers such that m + n + mn = 118. Then the value of m + n is 1. not uniquely determined 2. 18 3. 20 4. 22 10. From a group of 40 players‚ a cricket team of 11 players is chosen. Then‚ one of the eleven is chosen as the captain of the team. The total number of ways this ? can be done is [ below means the number of ? ways
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Gene Therapy for Renal Diseases and Transplantation Contributions to Nephrology Vol. 159 Series Editor Claudio Ronco Vicenza Gene Therapy for Renal Diseases and Transplantation Volume Editors Ariela Benigni Bergamo Giuseppe Remuzzi Bergamo 15 figures‚ 4 in color‚ and 6 tables‚ 2008 Basel · Freiburg · Paris · London · New York · Bangalore · Bangkok · Shanghai · Singapore · Tokyo · Sydney Contributions to Nephrology (Founded 1975 by Geoffrey M. Berlyne) Ariela Benigni
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Kingdom Monera Nerissa Mae F. Dadores MONERANS * Oldest and most abundant organisms. * Unicellular organisms without a nucleus. * Prokaryotes are single-celled organisms. They are the smallest‚ simplest organisms. * Microscopic & Undergoes Asexual reproduction. HISTORY The taxon Monera was first proposed as a phylum by Ernst Haeckel in 1866. Subsequently‚ the taxon was raised to the rank of kingdom in 1925 by Édouard Chatton. The last commonly accepted mega-classification
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are histones HU and H1 which are positively charged and are attracted to the negative charges on the phosphate molecules of the DNA. Bacterial and viral genetic material is often supercoiled. Bacterial DNA is circular and forms structures called plasmids which condense into structures known as nucleoids. Eukaryotic chromosomes differ in the quantity of genetic material and its organisation. Eukaryotic chromosomes contain a lot more genetic material. They often have more than one chromosome. The chromosomes
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Cancer is the uncontrolled growth of abnormal cells in the body. When cells in part of the body become overactive‚ cancer begins. Many kinds of cancer start because of the out of control growth of abnormal cells. How can you prevent cancer? Research shows that there are ways to prevent cancer. Avoiding smoking cigarettes and exposure to smoke will decrease the chances of getting lung cancer. Fruits‚ vegetables and a well balanced diet are important to keep healthy and will help repair damaged
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4. SEX-LINKED INHERITANCE autosomes—22 pair in people heterosomes—1 pair in people (XY sex chromosomes) XX=female XY=male Red-green color blindness in people: PREVIOUSLY NOTED FROM TUESDAY SEPTEMBER 3‚ 2013 5. No dominance example homozygous black= black chicken homozygous white= white chicken heterozygous= gray 6. Multiple factors Several sets of alleles on entirely different chromosomes affect the expression of a single characteristic. Skin color in people Stature on people
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