Category: Academic
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What Predicts Student Achievement
Critical decisions about how to use their time and energy have a great impact on students’ achievement. These decisions can affect students’ opportunities to learn the skills needed to perform well on standardized tests in reading and math. High-achieving students spend significantly more time (hours each week) than low achievers: Attending school and doing structured…
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Family and community engagement and its impact on the child’s education.
Family engagement is all of the things that families do to support their children’s success, both in relation to school and in relation to society. I think of family engagement as a public good and as a shared responsibility. Family engagement is a process of a teacher and a parent, sitting down, and talking with…
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THE PRINCIPLE OF DISINFECTION
THE PRINCIPLE OF DISINFECTION Disinfection is the second critical step in reprocessing devices. To be effective, disinfection must be preceded by thorough cleaning and must be done properly. Staff members must check the disinfectant’s concentration regularly if it is diluted at the place of use, even if it is diluted with an electronically monitored dilution…
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THE SCIENCE AND PRINCIPLE OF AGING
THE SCIENCE AND PRINCIPLE OF AGING Content: Understanding the science behind aging. Lifespan Versus Longevity Aging & Mortality Wear & Tear Theories of Aging Aging As a Preprogrammed Process Metabolic Theories of Aging: “The Brighter the Candle, the Quicker It Burns” Things to note; Why Would Evolution Select for Limited Lifespans? Understanding the science behind…
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NSMQ ONEEIGHTH BALLOTING RESULTS (#NSMQ30)
The one-eighth balloting for the 2023 National Science and Math Quiz is over. Here are the groupings of the various qualified schools. Join us on WhatsApp Contest 1 Ghanata SHS Wesley Girls’ High School Archbishop Porter Girls’ SHS contest 2 Ghana National College Mpraeso SHS Aggrey Memorial Zion SHS contest 3 Bishop Herman College Adidome…
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General Principles of Sterilization
General Principles of Sterilization Sterilization is a process that kills all forms of microbial life, including bacterial endospores. Many factors limit the success or degree of sterilization such as Organic load (organisms and other contaminating materials such as blood or body fluids), The type of organisms present, The concentration and exposure time to the germicide,…
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The Science and Art of Making Vaccines
The Science and Art of Making Vaccines Why Vaccination? The goal of vaccination is to trigger an immune response more rapidly and with less harm than a natural infection. Following an initial encounter with a pathogen, memory immune cells are established; re-exposure to the same pathogen reawakens these memory cells to control the infection and…
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Why Does Urine Comes With Varieties of Colour and Odor?
Why does urine comes with varieties of Colour and Odor? The colour of urine varies from almost colourless to black. These variations may be due to normal metabolic functions, physical activity, ingested materials, or pathological conditions. A noticeable change in urine colour is often the reason that a patient seeks medical advice; then it becomes…
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Vegetative Propagation (Reproduction) of Plants.
Vegetative Propagation (Reproduction) of Plants. Vegetative reproduction is the use of the vegetative part of a parent plant to produce a new plant. It is also referred to as artificial vegetative propagation. These vegetative parts are mainly the stem, the root, and the leaf. Methods of vegetative reproduction The use of specialized vegetative plant organs.…
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Divisions and Classes of Kingdom Plantae.
Divisions and Classes of Kingdom Plantae. Land plants evolved from a common ancestor with multicellular, freshwater green algae about 450 MYA. During the evolution of plants, protecting the embryo, apical growth, vascular tissue for transporting water and organic nutrients, possession of megaphylls, using seeds to disperse offspring, and having flowers were all adaptations to a…
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Enlighten Knowledge Exam; Chemistry MCQS (set 4)
QUESTIONS 1. 3NH3 is A. Three moles of Ammonium B. Six moles of Ammonium C. Three moles of Ammonia D. Six moles of Ammonia 2. The following are physical changes except A. Melting of candle wax B. Freezing of water C. Rotting of leaves D. Dissolving of common salt in water 3. The abnormally high…
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Sample Subjective Questions on Viruses, Bacteria, and Archaea.
Sample Subjective Questions on Viruses, Bacteria, and Archaea. What are the two components shared by all viruses? All viruses have; a nucleic acid. and a capsid. Viruses are generally considered to be non-living. Should Viroids and prions also be viewed as non-living? Why or why not? Viroids and prions are non-living because, like viruses, they…
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Enlighten Knowledge Exam; Subjective questions on biotechnology and endogenous industries
What is fermentation? Fermentation is the breakdown of complex organic substances into simple ones by the action of an organic catalyst. State three important applications of fermentation. Brings about the rising of bread In the production of ethanol from sugar In the production of yogurt What is genetic engineering? Genetic engineering involves changing an organism’s…
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Know more about your enemy; VIRUS
Viral Evolution, Morphology, and Classification Viruses are tiny, acellular entities that can usually only be seen with an electron microscope. Their genomes contain either DNA or RNA (never both) They replicate using the replication proteins of a host cell. Viruses are diverse, infecting archaea, bacteria, fungi, plants, and animals. Viruses consist of a nucleic acid…
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Suffer no more; Menstrual cramps and fatigue
Suffer no more; Menstrual cramps and fatigue To reduce the intensity of menstrual symptoms, you can change your diet: Less sugar, and slightly more protein. Diuretic foods such as eggplant, cucumbers, and parsley can help diminish water retention. Calcium supplements (1 gram per day) and magnesium (500 milligrams) can help reduce anxiety (always take both).…
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Do you know, there is plant for each type of stomach problem?
Do you know, there is plant for each type of stomach problem? Aigremoine (Lithospermum ruderale) It is useful when the stomach problem is accompanied by enteritis, diarrhoea, and/or chronic liver infection. It also helps tone a lazy digestive system. And it also helps regularize acidity and soothe ulcers by improving metabolism. The leaves are taken as…
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How Plants Defend Themselves Against Pathogens and Herbivores.
Introduction Plants cannot run away from danger. Instead, they have to stand and fight. Like humans and other animals, plants are constantly threatened by an array of disease-causing viruses, bacteria, and parasitic fungi. In addition, plant roots are susceptible to attacks by nematodes and soil-dwelling roundworms. Disease-causing agents are termed pathogens. If plants were not…
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The Reaction Result From Mismatched Blood Transfusions.
The Reaction Result From Mismatched Blood Transfusions. A person’s blood type is determined by certain antigens found on the red blood cell surface. These antigens are clinically important because they must be matched between donor and recipient during a blood transfusion. ABO groups The protein–sugar complex on the surface of the red blood cells acts…
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How Pathogens are eliminated from the body and Why the Immune System Reject Foreign Tissues and Organs?
How Pathogens are eliminated from the body and Why the Immune System Reject Foreign Tissues and Organs? Introduction In combination with the leukocytes involved in the innate immune system, the cells of the adaptive immune system are almost always successful in eliminating threats from bacteria, parasites, fungi, and viruses. The many different mechanisms used by…
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Adaptive Immunity/Specific Defenses/Acquired Immunity.
Adaptive Immunity/Specific Defenses/Acquired Immunity. Adaptive immunity Adaptive immunity is a vertebrate-specific defense mechanism that recognizes specific molecules as being foreign and clears those molecules from the body. The foreign molecules recognized may be free, as in the case of toxins, or they may be on the surface of viruses or cells such as pathogenic bacteria,…
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