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23 Cards in this Set
- Front
- Back
Atoms
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An atom is the smallest particle of an element that retains the characteristic chemical properties of that element
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chemical compound
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A pure substance like sugar, salt or water, which is composed of two or more different elements held together by chemical bonds, is referred to as a chemical compound
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A pure substance like sugar, salt or water, which is composed of two or more different elements held together by chemical bonds, is referred to as a chemical compound
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Hydrogen H
Oxygen O2 |
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The total amount of water in a man of average weight (70 kilograms) is approximately 40 liters , averaging 57 percent of his total body weight
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TRUE
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Lipids
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The lipids are a large and diverse group of naturally occurring organic compounds
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The lipids are a large and diverse group of naturally occurring organic compounds , THEY INCLUDE...?
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Fatty AcidSoaps and DetergentsFats and OilsWaxesPhospolipidsEicosonoidsTerpenesSteroidsBiosynthetic Pathways
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Fatty acids
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a fatty acid is a carboxylic acid with a long unbranched aliphatic tail (chain)
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What are Fatty acids usually derived from
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triglycerides or phospholipids (cell membrane)
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Bones
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Bone tissue is a type of dense connective tissue
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Bone mineral
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Bone mineral is formed from carbonated hydroxyapatite Ca5(PO4)3(OH)
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inorganic bone phase, bone salt or bone apatite is known as what?
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Bone mineral
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Proteins
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Proteins, from the Greek proteios, meaning first, are a class of organic compounds which are present in and vital to every living cell.
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The atom consists of the following particles
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Protons - These are in the nucleus.
- They are positively charged. Neutrons - These are in the nucleus. - They have no charge. Electrons - These orbit the nucleus in distinct shells.- They are negatively charged |
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The most abundant atom in the body is
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hydrogen
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Which electrically neutral atom contains a single positively-charged proton and a single negatively-charged electron?
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hydrogen
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The mass of a proton is around 2000 times the mass of an electron T OR F
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TRUE
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What is atomic number of Carbon?
What is mass number of Carbon? |
ATOMIC # OF CARBON IS 6
MASS # OF CARBON IS 12 |
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What is atomic number of Hydrogen?
What is mass number of Hydrogen? |
atomic number of Hydrogen is 1
mass number of Hydrogen is 1 |
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What is atomic number of Oxygen?
What is mass number of Oxygen? |
atomic number of Oxygen is 8
mass number of Oxygen is 16 |
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Negatively charged electrons
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spin on their own axis.
- Negatively charged electrons orbit the nucleus. |
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The nucleus
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spins on its own axis.
- Protons and neutrons spin about their own axes within the nucleus |
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The law of electromagnetic induction refer to three individual forces:
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motion, magnetism and charge – and state if two ate present, than the third is automatically induced.
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.In MR we are concerned with the motion of what?
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the nucleus
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