use they are derived from and drain into arterioles. 3. Damage to the renal medulla would interfere first with the functioning of the collecting ducts. 4. Which is reabsorbed by the proximal convoluted tubule cells?Na+‚K+‚ amino acids. 5. Glucose is not normally found in the urine because it is reabsorbed by the tubule cells. 6. Filtration at the glomerulus is inversely related to capsular hydrostatic pressure. 7. Tubular of glucose and many other substances is a Tm limited active transport of Na+
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Normal cell division meiosis and gamete production via meiosis. Explain why the process of mitosis and meiosis are both important to a living organism. When would an organism need to undergo the process of mitosis? Meiosis? What would happen if meiosis did not occur? Mitosis is the cell process of growth and division whereas meiosis is the process of developing reproductive cells. The sperm and egg are critical components for almost all living organisms. Every living organism begins with one
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Unit 5 Describe the two process by which hormones can cause certain genes to be turned on. (4) Any 2 from: - A hormone binds to a receptor in the cell surface membrane - Idea of the receptor causing (chemical) changes inside the cell - A (functional) {second messenger} activates an {enzyme/transcription factor/eq} Any 2 from: - Idea of a hormone entering the cell through the cell membrane - The hormone binds to a receptor - The {hormone-receptor complex/eq} acts as a transcription factor
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were tested to find the absorbance levels of ONP. Three different pH values‚ 5‚ 6‚ and 7‚ in solution‚ were tested over a period of 8 minutes and their absorbance’s recorded. Both plots of data were then used to find at which concentrations of ONP absorption levels‚ and thus enzyme activity rates‚ were at their highest across each of the three pH solutions. Based on the results of both experiments‚ it was found that a pH of 5 is the optimal pH for the productivity of lactase enzyme. INTRODUCTION:
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TOPIC 5 ECOLOGY 5.1.1 The study of the interactions between organisms and their environment. ENVIRONMENT = all the factors that affect an organism. 5.1.1 ABIOTIC FACTORS = non-living factors in an environment BIOTIC FACTORS = living factors in an environment ABIOTIC BIOTIC water fish chemicals in water aquatic plant depth fungi temperature protists - algae light Relationship - Photosynthesis Wet lands = also called ‘estuary’ Ecosystem: - A stable‚ settled
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BIOLOGY LAB REPORT TITLE: DETERMINING THE VITAMIN C CONTENT IN VARIOUS FRUIT JUICE PREPARED BY: NOR HUSNA BINTI MOHD ROSLI CLASS: SC3 (ALUK 11) IC NUMBER: STUDENT ID: LECTURER’S NAME: MADAM ZAKIAH BINTI ZAKARIA SUBMISSION DATE: 22 AUGUST 2013 OBJECTIVES: To investigate the vitamin C content in various fruit juices which is based on the graph’s curve obtained. INTRODUCTION [pic] Vitamin C‚ or also known as ascorbic acid (L-ascorbic and L-dehydroascorbic
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REPLICATION WITHIN MITOSIS AND MEIOSIS ABSTRACT The processes of mitosis and meiosis were examined along with their frequency as well as each of the different steps and their time duration. It was found that the interphase stage of both mitosis and meiosis was the longest of all the stages as this was where most of the ‘action’ was happening such as cell growth and duplication of all cell organelles and chromosome replication also. It was also found that mitosis and meiosis have similar stages‚ however
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In the article‚ “Lagging Far Behind: Women in the Middle East” Judith Colp Rubin (2012)‚ an author‚ journalist and publisher‚ demonstrates the main aspects behind causing inequality between male and female rights in the Arab World. Colp Rubin clearly states based on certified statistical evidence‚ that despite of the basic rights given to females in the Arab region‚ lack in the equilibrium between both genders has still been consistent. She demonstrates her claim by referring to the discriminated
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Taking Sides Ch. 10 Both of the historians Richard Stites and Lesley A. Rimmel have views on how the lives of the soviet women were affected after the Bolshevik revolution. Richard Stites argues that the early years of the Bolshevik Revolution helped many working women take the first steps toward emancipation. While reading his argument you see that he uses some key evidence to support his theses. He explains how the church called for a conservative order and how this put more pressure on the
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Meiosis Modeling Activity Background Information Meiosis is the process by which eukaryotic organisms produce egg and sperm having half the genetic information (haploid) of the other cells in the organism’s body (diploid). You will notice some similarities to mitosis but some definite differences in meiosis that result in genetic diversity in the gametes as well as the offspring formed by the eventual fusion of the egg and sperm. Two of the most noted differences in meiosis are that 1) there
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