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| Carbon usually forms how many bonds with other atoms? |
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| The atom diagnostically associated with organic compounds is... |
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| Each carbon atom can share pairs of electrons with as many as _____ other atoms. |
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| An -OH group is a(n) __________ group. |
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| An -NH2 group is a(n) __________ group. |
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| A -COOH group is a(n) __________ group. |
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| The following is composed of a 1:2:1 ratio of carbon to hydrogen to oxygen? |
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_____ is a simple sugar (monosaccharide).
a. Glucose
b. Sucrose
c. Ribose
d. Chitin
e. both a and c |
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| Glycogen is a polysaccharide used for energy storage by ___ |
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| A polysaccharide formed by a series of condensation reactions |
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Which of the following is true of monosaccharides?
a. Monosaccharides include starch, cellulose, and glycogen.
b. Monosaccharides are the monomers of polysaccharides.
c. Monosaccharides do not dissolve appreciably in water.
d. Monosaccharides contain carbon, hydrogen, and oxygen in about a 1:1:1 ratio.
e. None of the above statements are true. |
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| Plasma membranes are characterized by the presence of ___ |
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| four rings of carbon to which are attached other atoms |
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| A fatty acid with one or more double bonds in its hydrocarbon chain is said to be |
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| In unsaturated fats, fatty acid tails have one or more _____. |
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| Amino acids are the building blocks for ___ |
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| Amino acids are the building blocks for ___ |
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The secondary structure of proteins can be
a. helical.
b. sheetlike.
c. globular.
d. the sequence of amino acids.
e. both helical and sheetlike. |
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| Nucleotides contain what kind of sugars? |
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| _____ are to nucleic acids as monomers are to polymers |
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A denatured protein or DNA molecule has lost its _____
a. hydrogen bonds
b. shape
c. function
d. all of the above |
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