Notes, summaries, assignments, exams, and problems for Vocational training

"Why?" That was Thomas Edison's favorite question from the time he learned to talk. He spent his whole life exploring why and how things work. And once he knew how something worked, he tried to figure out how to make it better.

Although he was smart and curious, he did not do well in school. In those days, students memorized facts, but he wanted to ask questions and explore.

"Why?" That was Thomas Edison's favorite question from the time he learned to talk. He spent his whole life exploring why and how things work. And once he knew how something worked, he tried to figure out how to make it better.

Although he was smart and curious, he did not do well in school. In those days, students memorized facts, but he wanted to ask questions and explore.... Continue reading "Thomas Edison: A Life of Innovation and Curiosity" »

Introduction

Did you know that in many countries medical marijuana is illegal? It has been debated for years and will likely be debated for many more. Medical marijuana should be legalized because of the many possibilities in the medical field for health reasons, additional revenue for the government and community, and its environmental sustainability.

Marijuana Used for Health Reasons

For years, marijuana has been successfully used to help people with serious health issues. Key medical applications include:

• Marijuana use can help treat and prevent the eye disease glaucoma.
• The most common reason people seek medical marijuana is for chronic pain. Marijuana alleviates pain, reduces inflammation, and promotes sleep, which may help relieve suffering.

The Pulmonary Circuit

The pulmonary circuit begins in the right ventricle where deoxygenated blood is pumped through the pulmonary artery to each lung. The artery branches, finally becoming a network of capillaries that carry deoxygenated blood to the alveoli where gas exchange occurs. After gas exchange, oxygenated blood travels through the venous capillaries, the venules, and finally the pulmonary veins to the left atrium.

The Systemic Circuit

The systemic circuit begins in the left ventricle. Oxygenated blood is pumped through the aorta to the upper and lower body. It travels through the arteries, arterioles, and finally arterial capillaries to reach the cells. There, during cellular metabolism, nutrients and oxygen are collected while carbon... Continue reading "The Pulmonary and Systemic Circuits: Functions and Diseases" »

Essential English Vocabulary for Professionals

Suffix -MENT: Noun Formation

• Consume: consumption
• Produce: production
• Solve: solution
• Reduce: reduction
• Pay: payment
• Encourage: encouragement
• Invest: investment

Suffix -TION: Noun Formation

• Develop: development
• Improve: improvement
• Manage: management
• Agree: agreement (meaning 'accord')
• Define: definition
• Satisfy: satisfaction
• Explore: exploration
• Explain: explanation

Suffix -ANCE: Noun Formation

• Perform: performance
• Appear: appearance
• Guide: guidance (meaning 'direction')
• Assist: assistance
• Resist: resistance
• Disappear: disappearance (meaning 'vanishing')

Suffix -AL: Noun Formation

• Remove: removal (meaning 'elimination')
• Appraise: appraisal (meaning 'evaluation')
• Refuse: refusal (meaning 'denial')
• Deny: denial (meaning 'negation'

English Grammar Essentials

Modal Verbs:

• Necessity: have to, must, need to.
• Prohibition: mustn’t, not be allowed to, can’t.
• Lack of Necessity: don’t have to, don’t need to.
• Permission: can, be allowed to.

Questions: Must you? Can you? Do you have to? Are you allowed?

Rules are things you have to do and you mustn’t do. Conventions are things you don’t have to do, but are advisable and expected.

Colour Idioms

• In the red (owes money)
• See red (is angry)
• White goods (appliances)
• Out of the blue (unexpected)
• Blue sky thinking (new and good ideas)
• Green light (start something)
• Black Monday (market crash)
• In the black (has more than it owes)
• Grey area (a situation that is not clear)

Common Prefixes

Negative Prefixes

• un-: unusual, unhappy, unlucky, unknown,

Branches of Philosophy

Metaphysics

Metaphysics is the branch of philosophy that deals with the first principles of existence, including abstract concepts such as being, knowing, substance, cause, identity, time, and space.

Epistemology

Epistemology is the theory of knowledge, especially with regard to its methods, validity, and scope. It distinguishes justified belief from opinion.

Ethics

The field of Ethics (or moral philosophy) involves systematizing, defending, and recommending concepts of right and wrong behavior.

Early Greek Philosophers and Their Ideas

Thales

Known as the father of Western philosophy, Thales is famous for the story of having once fallen into a cistern because he was looking up at the heavens.

Anaximander

Anaximander believed that... Continue reading "Essential Philosophical Concepts and Thinkers" »

1. In DNA structure, A always pairs with T. TRUE
2. In DNA structure, cytosine always pairs with adenine. FALSE
3. How many stop codons are there in the genetic code? 3
4. In the genetic code, how many start codons are there? 1
5. In the genetic code, how many naturally occurring amino acids are there? 20
6. Dominant genes are about three times more common than recessive genes. FALSE
7. In this class, Peigler's policy on handheld devices is that they should be turned off and kept out of easy reach. TRUE
8. The traits we studied in the ear of corn were: seed color and plumpness
9. If you cross a white mouse and a black mouse and get gray mice, this is an example of: incomplete dominance
10. Which of the following genotypes is called homozygous dominant? BB
11. Gregor Mendel was a monk