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20 Cards in this Set

  • Front
  • Back
What kind of charge does an electron have?
Negative
The atomic number is equal to...
the number of protons an atom has
Are electrons always the same as protons or neutrons?
Protons
atomic mass (weight) is...
protons + neutrons
organic chemistry is a science based upon the study of
carbon compounds
Why aren't fatty acids soluble water?
they are hydrophobic
The following structure is an example of which functional group?

H
|
H-C-H
|
H
methane (methyl)
the type of bond that results from a sharing of electrons between atoms is?
Covalent bond
The type of bond that most specifically explains the attraction of water molecules to each other is?
Hydrogen bond
The type of bond that results from a transfer of electrons between atoms is?
Ionic bond
Polymers of polysaccharides, fats, and proteins are all synthesized from monomers by?
dehydration synthesis (the removal of water)
Isomers are...
molecules with identical formulas but different structures
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
what is the sequence of the complimentary strand?

ATCCGTGC
TAGGCACG
people diagnosed with artheroscelerosis have
high levels of LDL
The sex hormones testosterone is an example of which type of lipid
steroid
Which of the following is not a type of lipid molecule?

phospholipid
steroid
fats
polysaccharide
steroid
carrots are a good source of Vitamin A b/c they are rich in
beta carotene
According to the rules of complementary base pairing of DNA guanine always pairs with
cytosine
DNA is located in which compartment of the cell?
nucleus