for this experiment was the male fruit fly and the female fruit fly and the off springs. The controlled variables in this experiment were temperature‚ media‚ yeast‚ to much of the yeast would kill the fruit fly’s so the class had to make sure that to much was not poured into the vials. this had to be controlled well. 6- 10 ten grains of yeast with water and media. A change in temperature could also tamper with the experiment as well as messing with the vials all of these variables had to be controlled
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Cellular Respiration In this lab the effects of different substrates on the rate of cellular respiration is being put to a test which is a very interesting experiment. The three major substrate solutions being used for this experiment are glucose‚ maltose‚ and alanine. The issues this experiment addresses are cellular respiration occur in different stages which are glycolysis‚ citric acid cycle‚ and fermentation. In this lab the experiment determines the effect of different substrates on
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Homework Title: Photosynthesis and Respiration 1) Define these terms and arrange them from smallest to largest: Ch 5 WIO #3 • Thylakoid membrane Answer: Thylakoid membrane is a compartment in a plant cell that has light pigment that carry out the photosynthesis process. • Chloroplast Answer: Chloroplast is a type of organelle found in plants and algae that carry our photosynthesis. • Reaction center Answer: Reaction center is where chlorophyll a molecule and other
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Lab 4: Fungi Non-filamentous forms — Single-celled Yeasts Do an Internet search for a microscopic image of baker’s yeast‚ Saccharomyces cerevisiae (Ascomycota). Answer the following questions: 1. Do the yeast cells have a definite shape or is there considerable variation? Yeast cells seem to vary in shape‚ some look to be more oval and round‚ although. some slides did show pear and cylinder shapes. 2. Can you detect any subcellular structure? I cannot detect a clearly visible
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roots micro - very small; bio – life; ology – study study of very small living organisms that cannot be seen with unaided eyes Microorganisms or microbes They are virtually everywhere - ubiquitous Types of Microorganisms Bacteria Fungus Yeast & molds Bacillus E. coli Algae Archaebacteria Diatom Dead Sea salt pillar Protozoa Virus Paramecium HIV 1 Why study microbiology? W e have trillions of living microbes in our bodies – indigenous or normal microflora
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susceptible to antibiotics‚ but there are a few anti-viral drugs available which are active against a limited number of viruses. Pathogenic Fungi: can be either moulds or yeasts. For example‚ a mould‚ which causes infections in humans‚ is Trichophtyon rubrum‚ which is one cause of ringworm‚ and which can also infect nails. A common yeast infection is thrush caused by Candida albicans. Protozoa: are microscopic organisms‚ but larger than bacteria. Free-living and nonpathogenic protozoa include amoebae
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Abstract The catalysis of enzymes within our bodies is essential for human survival and when this ability is impaired by the presence of Hydrogen ions‚ our cells cannot function properly. This experiment was conducted to determine if the reaction rate changes in response to a variation of acidic‚ neutral‚ and basic solutions. The experimental results indicated that the basic/high pH solution has a faster rate of reaction in the solution. Introduction Enzymes are proteins that catalyze
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structure to an animal or plant cell. It has cytoplasm‚ a membrane and a surrounding cell wall‚ but the genetic material in a bacterial cell is not in a distinct nucleus. Yeast Cells Yeast is a single-celled organism. Like bacterial cells‚ yeast cells have cytoplasm and a membrane surrounded by a cell wall. But unlike bacterial cells‚ yeast cells have a nucleus. Specialised cells Cells may be specialised for a particular function. Their structure will allow them to carry this function out. Here are some
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flour * 1 teaspoon dry baker’s yeast * half teaspoon salt * half of tablespoon oil * warm water * Mozzarella or Raclette‚ in skinny slices * 2 tomatoes‚ or better‚ a handful of cherry tomatoes * Lamb’s lettuce or Child Spinach or Rocket or Watercress or any type of one’s favorite greens Instructions How to Cook Homemade Italian Pizza: ⁃ ⁃ ⁃ 1. Measure the flour‚ and put it in a large bowl for the electrical mixer. ⁃ 2. Add the salt. ⁃ 3. Add the yeast on the other side of the salt. That
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FOOD AND INDUSTRIAL MICROBIOLOGY Food spoilage‚ food infections and intoxications caused by microorganisms and methods for their detection Dr. Neeraj Dilbaghi Reader‚ Department of Bio & Nano Technology Guru Jambheshwar University of Science and Technology Hisar- 125001 and Dr (Mrs.) S. Sharma Professor‚ Department of Microbiology‚ CCS Haryana Agricultural University‚ Hisar- 125001 (Revised 25-Sep-2007) CONTENTS Introduction Food Spoilage and General Principles Underlying Spoilage of Food Intrinsic
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