Micro Test 1 Part 1
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a special part of the nucleus where RNA is made is called _____.
give 4 examples of fuctional groups.
- carboxyl (COOH)
- amino (NH3)
- phosphate (PO4)
- hydroxyl (OH)
what are the four major types of organic molecules and what are their builiding blocks?
- carboyhydrates- monosaccharides
- lipids- fatty acids
- proteins- amino acids
- nuleic acids- nucleotides
two examples of sturctural carbohyrates are _____ and _____.
two examples of energy-storage carbohydrates are _____ and ____.
gluecose and frutose have the same chemical formula but they do not live the same chemical lives. molecules such as these are called _____.
a glycosidic bond is a covalent bond linking ______.
a peptide bond is a covalent bond linking ______.
what is a triglyeride?
three fatty acids bonded to a glyccerol
why do fats have more calories than carbs?
more C-H bonds
what is the difference between liquid and solid fats?
- solids are saturated (straight molecules)
- liquids are unsaturated (bent molecules)
what does it mean to be unsaturated?
unsaturated means to have double bond between carbons
the difference between a triglyeride and a phospholipid is ________
phospholipid has two fatty acids and on phosphate bonded to a gylerol which causes it to have a hyrdophobic end and hydrophillic end
why do phospholipids make good cell membranes?
they ball up in water
what are the three important characteristics of an enzyme?
- 1) lowers the energy of activation
- 2) specific
- 3) doesn't change in the reaction
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