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20 Cards in this Set
- Front
- Back
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What kind of charge does an electron have?
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Negative
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The atomic number is equal to...
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the number of protons an atom has
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Are electrons always the same as protons or neutrons?
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Protons
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atomic mass (weight) is...
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protons + neutrons
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organic chemistry is a science based upon the study of
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carbon compounds
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Why aren't fatty acids soluble water?
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they are hydrophobic
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The following structure is an example of which functional group?
H | H-C-H | H |
methane (methyl)
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the type of bond that results from a sharing of electrons between atoms is?
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Covalent bond
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The type of bond that most specifically explains the attraction of water molecules to each other is?
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Hydrogen bond
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The type of bond that results from a transfer of electrons between atoms is?
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Ionic bond
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Polymers of polysaccharides, fats, and proteins are all synthesized from monomers by?
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dehydration synthesis (the removal of water)
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Isomers are...
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molecules with identical formulas but different structures
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Which of the following statements about enzymes are true?
Enzymes are composed of monosaccharides Enzymes increase the rate of reaction Enzymes are permanently altered by the reactions they catalize A single enzyme is able to bind to many defferent substrates |
Enzymes increase the rate of reaction
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what is the sequence of the complimentary strand?
ATCCGTGC |
TAGGCACG
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people diagnosed with artheroscelerosis have
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high levels of LDL
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The sex hormones testosterone is an example of which type of lipid
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steroid
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Which of the following is not a type of lipid molecule?
phospholipid steroid fats polysaccharide |
steroid
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carrots are a good source of Vitamin A b/c they are rich in
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beta carotene
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According to the rules of complementary base pairing of DNA guanine always pairs with
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cytosine
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DNA is located in which compartment of the cell?
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nucleus
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