BIOC 3021 Exam 2 Questions With Complete Solutions
What are glucose chair and boat forms examples of?
Conformers
Which monosaccharide is found in ATP?
Ribose
What process interconverts α- and β-glucose?
Mutarotation
How many stereoisomers do aldotetroses have?
4
Is ribose an aldopentose?
Yes
Which class of lipid is an energy reserve in adipose tissue?
Triacylglycerols
Which class of lipid acts as detergents in digestion?
Bile acids and salts.
Which lipid is the major component of mammalian membranes?
Phosphoglycerols
What is the primary role of sphingomyelin?
Common membrane component.
, What additional component besides lipids and proteins is
abundant in membranes?
Cholesterol
Which type of fatty acids are solid at body temperature?
Saturated fatty acids.
Which lipid class includes the fat-soluble vitamins?
Polyisoprenoids
What type of compound is found in high amounts on the outer
membrane surface but not on the inner surface?
Carbohydrate components of glycoproteins.
What membrane component provides fluidity?
Polyunsaturated fatty acid chains.
How can peripheral membrane proteins be removed?
With gentle ionic solutions or limited hydrolytic cleavage.
What do ribonucleotides and RNA NOT contain?
Thymidine
What are the three components of a nucleotide?
Base, pentose sugar, phosphate.
What bond links nucleotides together in DNA/RNA?
Phosphodiester bonds.
Which bonds in ATP are high-energy bonds?
Phosphoanhydride bonds.
What are glucose chair and boat forms examples of?
Conformers
Which monosaccharide is found in ATP?
Ribose
What process interconverts α- and β-glucose?
Mutarotation
How many stereoisomers do aldotetroses have?
4
Is ribose an aldopentose?
Yes
Which class of lipid is an energy reserve in adipose tissue?
Triacylglycerols
Which class of lipid acts as detergents in digestion?
Bile acids and salts.
Which lipid is the major component of mammalian membranes?
Phosphoglycerols
What is the primary role of sphingomyelin?
Common membrane component.
, What additional component besides lipids and proteins is
abundant in membranes?
Cholesterol
Which type of fatty acids are solid at body temperature?
Saturated fatty acids.
Which lipid class includes the fat-soluble vitamins?
Polyisoprenoids
What type of compound is found in high amounts on the outer
membrane surface but not on the inner surface?
Carbohydrate components of glycoproteins.
What membrane component provides fluidity?
Polyunsaturated fatty acid chains.
How can peripheral membrane proteins be removed?
With gentle ionic solutions or limited hydrolytic cleavage.
What do ribonucleotides and RNA NOT contain?
Thymidine
What are the three components of a nucleotide?
Base, pentose sugar, phosphate.
What bond links nucleotides together in DNA/RNA?
Phosphodiester bonds.
Which bonds in ATP are high-energy bonds?
Phosphoanhydride bonds.
