Why Study a language? You become smarter Speaking a foreign language improves the functionality of your brain by challenging it to recognise‚ negotiate meaning‚ and communicate in different language systems. This skill boosts your ability to negotiate meaning in other problem-solving tasks as well. Students who study foreign languages tend to score better on standardised tests than their monolingual peers‚ particularly in the categories of maths‚ reading‚ and vocabulary. You build multitasking
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In the first experiment to investigate how E. coli survives in food‚ bacterial growth significantly differed between my group’s nutrient agar and MAC agar plates. In courgette‚ there was moderate growth in nutrient agar while it was heavy in Mac agar. In beef broth‚ there was slight growth in nutrient agar while it was negative in MAC agar. In fresh basil‚ growth was heavy in nutrient agar while it was heavy in MAC agar. Where cottage cheese was the ingredient‚ both plates had heavy growth. For walnut
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the minimum‚ maximum‚ and optimum pH levels for growth of specific bacterial species. It was found that lower pH levels between 2 and 4 inhibited or promoted little to no growth for E. faecalis‚ S. epidermidis‚ and L. casei. It is evident that these bacteria were resistant to alkaline environments‚ however‚ it should be noted that certain mechanisms must have been acquired or involved in maintaining equilibrium within the bacterial cell. High alkalinity generally leads to physiological problems within
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This experiment tested the growth of E.coli with inserted plasmid on an agar plate with Ampicillin. One colony of E.coli resistant to Ampicillin was grown during this experiment. The overall goal of the experiment was to successfully grow E.coli on the agar plate‚ which would show that the plasmid had been effectively inserted into the bacteria’s genes. This experiment helped students understand how plasmids were inserted into bacteria and used in real life situations. It also showed how the bacteria’s
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chromosomes that divide by mitosis o macronuclei – contains small pieces of DNA derived from micronuclei used in routine cellular functions - reproduces by mitosis – splitting in half - can engage in sexual reproduction by conjugation Protists Molds Are Not Fungi Protistan molds are heterotrophs with some mobility. They have cell walls made of carbohydrates. Cellular slime molds – phylum Acrasiomycota - move through soil and digest bacteria - during
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know which group an unknown microbe belongs to on a general level. When a microbiologist needs to identify a specific bacterium‚ biochemical tests are used. PART ONE: GENERAL BACTERIA IDENTIFICATION Review the dichotomous key in Figure A‚ the bacterial shapes in Figure B‚ and the Gram stain information below. You will use all three to determine to which major group unknown bacteria belong. Gram Stain Results: Purple = Gram positive Red = Gram negative Neither purple nor red = No cell
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obtain bacterial suspension from the tube. 2. The bacterial then placed in the center of the clean microscope slide. It also speared to produce thin films. 3. The films are set to air dry before wafting the slide gently on the Bunsen flame to fix and kill pathogenic bacteria. 4. The slide was place on a rack then the stain were apply. B. From agar cultures. 1. A drop of water was place in the center of the glass slide. 2. With sterilized inoculating loop to obtain a minute of bacterial culture
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Mechanisms of Silver Nanoparticle Action in Bacteria and Potential for Bacterial Resistance The antimicrobial activity of silver in general‚ and of silver nanoparticles in particular‚ is of significant interest because it appears to be independent of the strain of bacteria. Crucially‚ antibiotic resistant strains‚ MRSA (methicillin‚ or multiple-resistant Staphylococcus aureus)‚ E. coli O157‚ and others are affected by silver [6]. The reasons for this are not fully clear as yet‚ but could be related
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intentionally chose to breed among individuals. Antibacterial resistance is the process in which strong and highly resistant bacterial is selected against weaker bacterial. The selected bacterial then continue to reproduce and create a stronger bacterial population‚ which is resistant to antibacterial materials. Antibacterial resistance is the result of natural selection because the bacterial with highly adaptable
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 Name: Corrina Marcus Date: 7/27/13 Student Exploration: Water Pollution Vocabulary: bacterial pollution‚ nutrient pollution‚ sediment pollution‚ toxic pollution‚ water pollution Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Water pollution is the addition of harmful substances to water. Some of these substances are found at home. What household chemicals might be harmful if not disposed of properly? Clorox‚ batteries‚ and cleaning supplies 2
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