Biochem review

Buffers are substances which

• A. make your blood shiny

• B. release OH- in acidic solutions to lower the pH

• C. donate H+ in basic solutions and accept H+ in acidic solutions to minimize pH changes

• D. are strong acid- strong base pairs

• E. cause acid rain in the Adirondacks

Why is carbon the essential element for organic molecules?

• It forms 4 bonds and can make a wide variety of compounds

• It is the most abundant element on Earth

• It is very stable and does not react very easily

• It is very unstable reacts very easily

Which of the following is a carbohydrate?

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Which of the following is a nucleotide?

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Which of the following are monosaccharides? (There is more than one correct answer)

• glucose

• fructose

• sucrose

• starch

What is the formula for glucose?

• C₃H₇NO₂

• C₆H₁₂O₆

• C₁₂H₂₂O₁₁

• C₆H₆O₂

What type of macromolecule has functions that include nsulation, padding (protection), and long term energy storage?

• carbohydrates

• lipids

• proteins

• nucleic acds

What is the function of nucleic acids?

• storing energy

• providing energy to cells

• controlling chemical reactions

• storing and transmitting information

Which type of monomer makes up a protein polymer?

• monosaccharides

• amino acids

• nucleotides

• fatty acids

What type of macromolecule is an enzyme?

• carbohydrate

• lipid

• protein

• nucleic acid