Tutor and Freelance Writer. Science Teacher and Lover of Essays. Article last reviewed: 2020 | St. Rosemary Institution © 2010-2021 | Creative Commons 4.0
Endosymbiotic Theory: Mitochondria & Chloroplast are descendants of prokaryotic cells; they share clear structural/ biochemical features with modern prokaryotes. Cyanobacteria: blue-green algae; obtain their energy through photosynthesis Lateral gene Transfer: Gene from Mitochondria & Chloroplast MOVE from Mitochondria & Chloroplast to the nucleus Evidence of Endosymbiosis (Happened after evolution of aerobic prokaryotes) Morphology: Form of…
A Catalyst increases the rate of reaction by providing alternative energy pathway ; usually increasing the rate of by 1012-1020. However it does not affect free energy ∆G (can’t make endergonic reaction go). Instead an enzyme can couple an exergonic reaction with an endergonic reaction via ATP breakdown. It will decrease EA for a spontaneous…
Drake’s Equation is an equation used to estimate the number of detectable extraterrestrial civilizations in the Milky Way galaxy. Invented by Frank Drake, the founder of SETI. Ns 1011 Stars discovered so far Fp (0.5) Half the planets in the Milky Way galaxy have stars around them Ways to detect planets Transit Method: Diming of…
Goal of treatment: Help to change maladaptive thoughts, feelings, behaviours Helping Relationships: Most therapists today use an eclectic approach (A person who derives ideas, style, or taste from a broad and diverse range of sources.) Psychodynamic Therapy ASSUMPTIONS: Behavior is driven by biological urges, interpsychic conflict and developmental fixations GOALS: client seeks insight regarding unconscious…
On 6th August 1945 a United States B29 bomber plane, the Enola Gay, flew over the Japanese city of Hiroshima. At 8:15 a.m. an atomic bomb was dropped. It exploded with the power of 20,000 tonnes of TNT. It produced a giant mushroom shaped cloud over the city. Anyone within a kilometre of the explosion…
Fear and Suspicion 500,000 Germans, Austrian, and Hungarians and some Ukrainians from the German territories in Canada during WW1 They were treated fairly at first but as the war started they were viewed with suspicion Citizens were afraid and hysterical and rumours that these immigrants were spies were going around. Fear that they would blow…
Workforce When war broke out, men were removed from factories to become soldiers. Now that the men were gone, woman replaced the men to fill the gap. Woman took jobs that were regarded as skilled “men’s” work, to support their families Thousands of women took jobs in ammunitions factories, clerical Jobs, banking and war industries…
Before a war broke out in Afghanistan, Gudiparan bazi (kite flying) was a common hobby of many Afghans throughout Afghanistan. For many, it became a matter of honour to compete among the best kite fighters in their neighbourhoods. Goal of Kite Fighting To be the last kite still flying in the sky after cutting down…
Pashtuns are an ethnic group in southeastern Afghanistan and northwestern Pakistan. Pashtuns are the majority of the population in Afghanistan with a population between 13 and 15 million in Afghanistan and Pakistan. As a result of being an ethnic majority, they are a religious majority as well in their practice of the Sunni Muslim faith. …
The Hazara are a minority ethnic group that make up approximately 19-20% of Afghanistan’s population. Their Asian (Mongolian) features distinguish them from other people in Afghanistan. They look like Mongolians and East Asians. The Hazara are visually, linguistically and religiously different from all the other people around them. As a result, they have long been…
3 Types of Television Production Live Live-to-Tape Pre-Produced Live Television Production Live television production is just as it sounds – live. It is like watching a play. All mistakes go “to air” and you can not go back and edit what has been broadcast. There are not many live programs anymore, however, sporting events, most…
What is Anesthesia? A reversible lack of awareness caused by the inhalation (of gases) or injection of (liquid) drugs It is used to minimize pain, discomfort, and shock for surgical patients It can put medical staff at ease knowing that they won’t hurt the patient General Anesthesia A loss of consciousness in the patient accomplished…
Summary Carbon Monoxide Detectors is a device that detects the presence of Carbon Monoxide (CO) Excess Carbon Monoxide(CO) = Carbon Monoxide Poisoning Silent Killer Incomplete Combustion History of Dalton’s Law John Dalton (6 September 1766 – 27 July 1844) was an English Chemist, Meteorologist and physicist He investigated and published the atomic theory which states…
HISTORY Over 100 years ago it was found that nitroglycerin can treat the pain of heart disease and heart attacks In 1987 it was discovered that nitric oxide was naturally produced in the body Nitrogen monoxide (NO) was the 1992 Molecule of the Year The work of the biochemical role of nitrogen monoxide by Robert…
What is Confederation? In Canada, the term Confederation refers to the union of the three British North American colonies. The three colonies were made into the four provinces of New Brunswick, Nova Scotia, Ontario and Quebec. The other provinces and territories entered Confederation later. What did Confederation do? The Constitution Act, 1867 created a federal…
Two Types of Impact Craters Impact craters can be categorized in one of two ways: simple or complex. A simple crater has a smooth bowl shape small with a small depth to diameter ratio. This ratio is typically 1:6 which means that if the crater is 1 m deep, it is 6 m wide. A…
What Darwin Observed Darwin sent specimens collected on his voyage back to England to be examined by experts Fossils collected were confirmed to be large versions of the present day sloth and armadillo The Galapagos Island’s bird specimens were in fact many different species of birds Darwin originally thought they were just variations of the…
What happens if a search is unreasonable? Is the evidence always excluded from trial? →→→→→NO!! What does it mean to “exclude” evidence? It means that the evidence recovered cannot be used at trial. For example, if drugs are discovered in a search and those drugs are excluded from the trial, the Crown attorney will be…
There are four basic theories of crime, and knowing and understanding each one is imperative for one to succeed in any legal profession. Whether one desires to become a lawyer, crime scene investigator, law enforcement officer, they will need to understand the different theories of crime. Understanding these theories will help with dispute resolution, crime…