Introduction As stated in the Bio 107 Laboratory Manual‚ alcohol fermentation in yeast breaks down sugars into carbon dioxide and ethanol which is very important in many fields such as biofuel‚ industrial‚pharmaceutical and others. Amylase is an enzyme that break down starch/amylose in plants. Corn kernel contains starch‚ sugars and cellulose. This experiment focused on the effect of amylase on corn extract in respect to the rate of fermentation. Since amylase breaks down starch‚ the part of corn
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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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Dragon fruit‚ also known as pitaya or pitahaya‚ belongs to the Hylocereus genus of the Cactaceae family. It is recognized as leathery‚ slightly leafy – skinned sweet fruit of many cactus species rooted from Mexico‚ which was believed to be then brought to Central America by the European. Nowadays‚ dragon fruits are widely cultivated in the United States‚ the South East Asia region‚ Israel‚ Australia‚ Cyprus‚ as well as the Canary Islands (Morton‚ 1987). The term “dragon fruit” is used in English
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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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In ‘the destructors’‚ how does the author convey a sense of menace and raising tension? The author of the destructors ‘Graham Greene’ uses lots of different techniques to convey a sense of menace and tension during the story. He starts off by introducing the characters‚ and all the characters have nicknames ‘Blacky‚ T’‚ this gives a sense of mystery as we wonder what some of their real names are. The gang clearly has rules and a sense of self restraint and if you break the rules‚ or utter the
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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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The World: As London Sees It The world as a conscious being stupefies some‚ as it is an awesome thought that many people ponder. The thought of the universe as a thing that picks and chooses who lives and dies terrifies some‚ while some welcome the idea and coexist with it. Jack London‚ the author of such books as The Call of the Wild‚ and The Sea Wolf‚ is one such man who lives with the idea. London views the world as a Darwinist‚ or with the theory of natural selection. He sees the world with
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