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23 Cards in this Set

  • Front
  • Back
Atoms
An atom is the smallest particle of an element that retains the characteristic chemical properties of that element
chemical compound
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
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
Hydrogen H
Oxygen O2
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
TRUE
Lipids
The lipids are a large and diverse group of naturally occurring organic compounds
The lipids are a large and diverse group of naturally occurring organic compounds , THEY INCLUDE...?
Fatty Acid Soaps and Detergents Fats and Oils Waxes Phospolipids Eicosonoids Terpenes Steroids Biosynthetic Pathways
Fatty acids
a fatty acid is a carboxylic acid with a long unbranched aliphatic tail (chain)
What are Fatty acids usually derived from
 triglycerides or phospholipids (cell membrane)
Bones
Bone tissue is a type of dense connective tissue
Bone mineral
Bone mineral is formed from carbonated hydroxyapatite Ca5(PO4)3(OH)
inorganic bone phase, bone salt or bone apatite is known as what?
Bone mineral
Proteins
Proteins, from the Greek proteios, meaning first, are a class of organic compounds which are present in and vital to every living cell.
The atom consists of the following particles
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
The most abundant atom in the body is
hydrogen
Which electrically neutral atom contains a single positively-charged proton and a single negatively-charged electron?
hydrogen
The mass of a proton is around 2000 times the mass of an electron T OR F
TRUE
What is atomic number of Carbon?
What is mass number of Carbon?
ATOMIC # OF CARBON IS 6

MASS # OF CARBON IS 12
What is atomic number of Hydrogen?
What is mass number of Hydrogen?
atomic number of Hydrogen is 1

mass number of Hydrogen is 1
What is atomic number of Oxygen?
What is mass number of Oxygen?
atomic number of Oxygen is 8


mass number of Oxygen is 16
Negatively charged electrons
spin on their own axis.
- Negatively charged electrons orbit the nucleus.
The nucleus
spins on its own axis.
- Protons and neutrons spin about their own axes within the nucleus
The law of electromagnetic induction refer to three individual forces:
motion, magnetism and charge – and state if two ate present, than the third is automatically induced.
.In MR we are concerned with the motion of what?
the nucleus