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10 Cards in this Set
- Front
- Back
Which of the following Statements about covalently Bonded molecules is false?
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Opposing electrical charges hold the molecule together.
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H2O and CH4 are both examples of
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Molecules
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Which of the following statements about water is true?
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It contains two of the most common elements on Earth.
& It is critical for many of the chemical processes found in living systems. & Polar substances that can form hydrogen bonds will dissolve in it. & Nonpolar substances like oils are not soluble in it. |
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Hydrogen bonds and hydrophilic interactions are
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weak chemical bonds that hold separate molecules together.
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The molecule adenosine triphosphate (ATP) is most closely related to which class of
macromolecules? |
nucleic acids
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Which of the following represents a polymer of amino acids?
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Proteins
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The strongest chemical linkages are found in molecules in which atoms are held
together by ________ bonds |
Covalent
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Question 8
. Salt and sugar both dissolve well in water, but for different reasons. In the case of salt, water molecules |
surround the separated ions because of their partial electrical charge.
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Which of the following is not an example of a compound that would fall into the
category of monomers? |
DNA
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In a phospholipid bilayer, the hydrophobic tails of the phospholipid molecules are
pointed outward so that they are in maximum contact with water |
False
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