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Author Capstone Axis

Chapter 8 / 8.1 Microbes in Household Products

Microbes in Household Products 🧫➡️🏠 We meet friendly microbes every day—they quietly turn raw ingredients into tasty, nutritious foods and drinks, while also keeping many harmful germs away.:contentReference[oaicite:0]{index=0} 1. Curd Creation 🥛→🍶 Lactic acid bacteria (LAB) such as Lactobacillus grow in warm milk and make acids that thicken and partly digest milk proteins, transforming milk […]

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Chapter 7 / 7.5 Drugs and Alcohol Abuse

🚫 Drugs and Alcohol Abuse – Understand, Prevent, Overcome! 1. Why care? 🤔 Drug and alcohol use is climbing among young people, bringing serious health and social problems. Learning the facts helps you stay safe and guide friends. :contentReference[oaicite:0]{index=0} 2. Meet the most-abused substances 2.1 Opioids (e.g., Heroin/“Smack”) Made by acetylating morphine from the poppy

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Chapter 7 / 7.3 AIDS

AIDS (Acquired Immuno Deficiency Syndrome) 🦠 Quick Definition Doctors first noticed AIDS in 1981. The illness weakens the body’s defence system after birth (it isn’t present from day one). In roughly 25 years it took more than 25 million lives worldwide. :contentReference[oaicite:0]{index=0} The Culprit – HIV Human Immuno-deficiency Virus (HIV) is a retrovirus—it carries RNA

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Chapter 7 / 7.2 Immunity

Why We Rarely Fall Sick 🌟 Your body owns an incredible defence unit called immunity—the power to spot and smash disease-causing agents before they win the battle :contentReference[oaicite:0]{index=0}. 1. Innate Immunity 🛡️ (built-in from birth) Physical barriers: Skin and sticky mucus line every entry point, trapping microbes on the spot :contentReference[oaicite:1]{index=1}. Physiological barriers: Stomach acid,

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Chapter 7 / 7.1 Common Diseases in Humans

Common Diseases in Humans 🦠 What “being healthy” really means Health means complete physical, mental and social well-being—more than just “no disease.” A healthy community works better, lives longer and loses fewer mothers and infants. Balanced meals, good hygiene, regular exercise and a little yoga keep your body on top form 🧘. Vaccination, safe waste

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Chapter 6 / 6.9 Origin and Evolution of Man

Origin and Evolution of Humans 🧬 Life on Earth kept branching out until, quite recently on the geological clock, a clever primate began asking questions about its own past. Let’s walk through that story together! 1. Setting the Stage 🌍 Mammals take over: When most reptiles declined, small shrew-like mammals flourished because they nurtured their

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Chapter 6 / 6.8 A Brief Account of Evolution

🌍 A Quick Journey through Life’s History About 2000 million years ago (mya), the very first living cells showed up on Earth 🌱. Some of these pioneers could release oxygen—much like the light-reaction step in photosynthesis that splits water using sunlight energy. Over time, single-celled creatures teamed up to form multicellular organisms :contentReference[oaicite:0]{index=0}. 🌀 Milestones

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Chapter 6 / 6.7 Hardy-Weinberg Principle

Hardy-Weinberg Principle 😎 In any large, randomly mating population, the frequency of every allele stays the same generation after generation. This steady state of the gene pool is called genetic equilibrium. :contentReference[oaicite:0]{index=0} The Magic Formula ✨ For two alleles A (frequency p) and a (frequency q) in a diploid organism: $$ (p + q)^2 = p^2 +

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Chapter 6 / 6.6 Mechanism of Evolution

Mechanism of Evolution 🌍✨ 1. Evolution in Two Lights 🔍 Process view: Tells the ongoing story of how living and non-living things change over time. Outcome view: Highlights the “success stories” we see today, especially the rich variety of life. Scientists still debate whether to treat evolution and natural selection as the journey itself or

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