To Jenkins' Spoiler-Laden Guide to Isaac Asimov Introduction Though perhaps best known throughout the world for his science fiction, Isaac Asimov was also regarded as one of the great explainers of science. His essays exemplified his skill at making complex subjects understandable, and were written in an unformal style, liberally sprinkled with personal anecdotes that endeared him to a legion of faithful readers. It was all a labor of love; in particular Asimov often remarked that of all his writing, his essays for The Magazine of Fantasy and Science Fiction were his favorite, despite the fact that he received the lowest word-rate payment for them.
Metabolism The sum of all biological chemical reactions inside a cell or organism Differences in catabolism and anabolism: Catabolism is an enzyme-regulated chemical reaction that releases energy. Complex organic compounds such as glucose, amino acids, glycerol and fatty acids are broken down into simpler ones.
The energy of catabolic reactions is used to drive the anabolic reactions. Anabolism is also enzyme regulated but requires energy for taking the simpler broken down components from the catabolism phase and building them into complex molecules such as starch, proteins and lipids What is the role of ATP?
ATP stores energy that is produced from the catabolic reactions which is later released to drive the anabolic reaction and other cellular work. ATP is stored energy in cells phosphate groups held together by high energy reacting bonds ATP is required for synthesis and some of the energy is given off as heat What are enzymes and their components?
Enzymes are biological catalysts substances that speed up a chemical reaction without themselves being permanently altered Components: Apoenzyme is the protein portion of an enzyme.
Inactive by themselves, must be activated by cofactors Cofactor- non protein portion IE: It is the active enzyme. If you remove the cofactor, the apoenzyme will not function.
What are metabolic pathways? The sequence of enzyme catalyzed chemical reactions within a cell. The pyruvic acid derivatives are oxidized and the coenzymes are produced. Glycolysis is usually the first stage in carbohydrate catabolism.
This occurs from the oxidation of glucose to pyruvic acid.
Most microorganisms use this pathway and it occurs in most living cells. The sugars are oxidized, release energy and then their atoms are rearranged to form 2 molecules of pyruvic acid. Explanation of cellular respiration: Cellular respiration takes place after the glucose is broken down in pyruvic acid which is then channeled into the next step of either fermentation or cellular respiration.
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Cellular respiration is defined as the ATP-generating process in which most molecules are oxidized and the final electron acceptor is almost always an inorganic molecule. It is a system in which electrons pass through a series of different electron carriers to molecules or oxygen or other oxidized inorganic and organic molecules.
The process occurs in the plasma membrane of the prokaryotes and in the mitochondrial membrane of eukaryotes. What is microbial growth? It is the growth in numbers of populations or an increase in the number of cells What are three physical requirements of microbial growth?Question: TASK B1- Explain why it is important that practitioners understand the limits and boundaries of their role when working with children.
Unit 1 Introduction to Working with Children Diploma in Child Care and Education CACHE Level 3 Mark 15/15 Tutor comments: 15/15 Lovely, you have worked hard on this. The history and scope of microbiology.
1) What are the organisms/entities of study in the field of microbiology? 2) Who was the first human to .
Microbiology Exam 1 study guide. 2) Describe the two categories of disease as caused by a microbe. Medical Microbiology Study Guide for Unit 1: History and Introduction to Medical Microbiology; I am Jennyfer from PhD Essay.
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In this lesson, you'll learn how proline is structured, why it's important and where you can find it. Start studying Microbiology Essay Questions.
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