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The Chemical Basis for Life
Practice Quiz for Module A Anchor 2
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Glycogen is a macromolecule which contains repeating units of glucose bonded together. Which type of reaction helps form the bonds between the glucose monomers?
1 point
Photosynthesis
Hydrolysis
Dehydration synthesis
Catabolic
Clear selection
Which of these properties of water most directly contributes to capillary action?
*
1 point
high boiling point
high specific heat
powerful solvent
strong adhesion
Which statement correctly matches a type of macromolecule with its function?
1 point
Nucleic acids are the primary source of energy for cells.
Carbohydrates encode genetic information.
Lipids can serve as oils or waxes.
Proteins can insulate and protect organs.
Clear selection
Which statement best describes the role of enzymes in chemical reactions?
1 point
They provide energy to the reactants.
They lower the activation energy of the reaction which then speeds up the reaction.
They increase the amount of substrate.
They increase the activation energy of the reaction which then slows down the reaction.
Clear selection
Why is carbon able to form many different types of molecules?
1 point
because carbon is in all organic molecules.
because carbon can form up to four bonds due to its four valence electrons.
because a carbon atom cannot bond with another carbon atom.
because carbon is the most abundant element.
Clear selection
Describe the polarity of a water molecule.
0 points
Your answer
How does the polarity of water contribute to cohesion?
0 points
Your answer
Identify and describe the property of water that allows an insect able to "walk" on water?
0 points
Your answer
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