| Unit 1 | Unit 1 | Unit 1 | Unit 1 |
|---|---|---|---|
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Proteins differ from one another because
The sequence of amino acids in the polypeptide are different
|
Atherosclerosis is a result of too much ? in your diet?
lipid
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You heat 100 ml of solution A and 100 ml of solution B in separate beakers at the same temperature of 150 F. You come back after an hour and discover there is 95 ml of solution A and 65 ml of solution B. Which solution has the higher specific heat?
Solution A
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Carbon is able to form an immense diversity of organic molecules because of carbon's ?
Capacity to form single and double bonds
tendency to form covalent bonds ability to bond with up to four other atoms |
|
Nucleotides
A. contain sugar molecules B. contain an R group C. neither of these D. both of these
contain sugar molecules
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The storage form of carbohydrates is ? and in plants is ?
glycogen; starch
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How many valence electrons do most elements need in order to be stable?
8
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How do you denature a protein?
Heat hydrolysis specific heat pH
Heat and pH
|
|
Water molecules stick to other water molecules due to
cohesion
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Which of these is cation?
Li+
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Which one of the following is an example of a secondary structure in a protein?
alpha helix
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Cytosine forms hydrogen bonds to ? in DNA?
guanine
|
|
The oxygen atom of a water molecule
is more electronegative than the hydrogen atoms
|
The atomic number ALWAYS indicates the number of
protons
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Which of the following are nitrogenous bases of the pyrimidine type?
C and U
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The sodium atom contains 11 electrons, 11 protons, and 12 neutrons. What is the mass numbers?
23
|
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What property best explains why water is warmer than the land in the winter?
Specific heat
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Propanol and isopropanol are isomers, This means they have?
The same molecular formula but different chemical properties
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Which one of the following lists contains only polysaccharides?
cellulose, starch, glycogen
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Amino acids can be distinguished from one another by?
the R group
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