SBI3U1-04 Final Exam Study Notes Unit 1: Diversity of Living Things 1.1 Importance of Biodiversity Spotlight on Honeybees Very important‚ pollinate flowers allowing plants to reproduce Play vital role in food chain‚ if they die‚ all organisms that rely on them will die as well Dying because of pesticides‚ parasitic Varroa mite (infects beehives and sucks of bees’ blood)‚ the Israeli acute paralysis virus (immobilizes and kill bees) No genetic diversity = Less resistant to parasites
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Diversity WORD | DEFINITION | Mitochondria | The part of a cell where cellular respiration occurs | Vacuole | The part of a cell used for storage | Cytoplasm | Fluid found outside the nuclear membrane | Morphology | The branch of bio that deals with the structure or form of organisms | Taxon | A named group of organisms | Phylogenetic tree | Shows the evolutionary differences between different species | Capsid | The outer layer of protein that surrounds the genetic material of
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Enzyme Activity Lab Hypothesis: 1] Are enzymes reusable? Yes‚ enzymes are reusable. 2] Which of the following do you think contain catalase? [Manganese dioxide‚ chicken meat‚ apple‚ carrot‚ potato‚ or chicken liver] I think that the manganese dioxide‚ apple‚ and carrot contain the catalase. 3] Would grinding the materials affect enzyme activity? I think that grinding the materials will increase enzyme activity. 4] Would temperature affect enzyme activity? I think that
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GENETICS CELL ORGANELLES ETC. CHAPTER 4: Cell Division and Reproduction related PP: cell division 4.1 - Cell Division and Genetic Material TERMS: Genetics: the study of heredity and variation of living organisms and how genetic information is passed from one generation to the next Somatic cell: a plant or animal cell that forms the body of the organism; excludes reproductive cells Chromosome: a structure in the nucleus that contains DNA Sister chromatid: one of two chromosomes that
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Lab Report: Enzyme Lab Your Name: Samantha Butcher Purpose of this Lab What is the goal of this lab? What question is it trying to answer‚ or what problem is it trying to explain? It is going to explain how a liver’s enzymes break down substances that could be harmful.| Hypothesis After reading the lab instructions - but before starting the lab - record your best “educated guess” about what will happen in the experiment. Give your reasons and outline any assumptions that lead
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MISEP Chemistry 512 – Jacobs Enzyme Catalyst Lab - Formal Report – August 8‚ 2007 ABSTRACT This investigation examined what would happen to the rate of an enzyme-catalyzed reaction if the concentration of substrate changed. We hypothesized that if the concentration increased‚ then the reaction rate would also increase. To test our question‚ we varied a combination of substrate and buffer‚ totaling 6mL‚ with a constant amount of 2 drops of catalyst. The enzyme catalyst‚ peroxidase‚ increased
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Sample Lab Report: Factors which Affect the Activity of the Enzyme Catalase Purpose: Must include: background information about concepts involved in the lab‚ statement of purpose of the lab identification of independent and dependent variables. A hypothesis is often not necessary or appropriate. Enzymes are proteins that speed up chemical reactions in cells. They break down molecules called substrates. Each enzyme has only one substrate that it breaks down. Enzymes are produced in
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Introduction Enzymes are proteins produced by living organisms to speed up the rate in which chemical reactions occur. This process can happen fast‚ slowly‚ or stop the chemical reaction all together depending on the temperature‚ pH and concentration. Catalase is one of the most common enzymes. It is found in living organisms and is used to break down hydrogen peroxide. This must happen because hydrogen peroxide is considered toxic to cells in the body. However‚ when catalase is used it breaks
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change in reaction rate of liver catalase. Hypothesis: Null Hypothesis: If the concentration of the Hydrogen Peroxide is changed then there would be no change in the reaction rate. Alternate Hypothesis 1: I there is an increase in concentration in concentration of Hydrogen Peroxide then the reaction rate of the liver catalase will increase. Alternate Hypothesis 2: If there is an increase in concentration in concentration of Hydrogen Peroxide then the reaction rate of the liver catalase will decrease
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Enzyme Lab Marcus James. December 20‚ 2013 HL Biology 3 Period 1 Purpose and Background The purpose of this lab is to explain how enzymes act as catalysts for biological reactions in different temperatures. This lab relates to enzymes‚ proteins‚ and substrates; that we learned in class. The union of the enzyme and the substrate is called the enzyme-substrate complex. The make-up of an enzyme is proteins and made up of chains and amino acids. Enzymes
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