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2.1

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An anomeric carbon with a free hydroxyl group

A reducing sugar has which of the following properties? Question options: A sugar without an anomeric carbon A sugar with multiple anomeric carbons An anomeric carbon with a free hydroxyl group An anomeric carbon that is bonded to another sugar

Structures 1 and 2 are epimers

Based on the structures shown, which of the following statements is true? Question options: Structure 3 is a d-sugar All three structures are ketoses Structures 2 and 3 are anomers Structures 1 and 2 are epimers

External structure of animals

Chitin is used for which of the following purposes by organisms (select all correct answers)? Question options: External structure of animals External structure of plants Energy storage in animals Energy storage in plants

Forming lipid bilayers

Glycerophospholipids have which of the following major functions? Question options: Providing specialized functions to a cellular membrane Forming lipid bilayers A building block for other types of lipids Energy storage

An OH has been replaced by an H

How does a reduced glucose differ from regular gluose? Question options: An OH has been replaced by an H An OH has been replaced by a carbonyl An OH has been replaced by NHCOCH3 An OH has been replaced by NH2

An OH has been replaced by NHCOCH3

How does an acetylated glucose differ from regular glucose? Question options: An OH has been replaced by a carbonyl An OH has been replaced by NH2 An OH has been replaced by NHCOCH3 An OH has been replaced by an H

An OH has been replaced by NH2

How does an aminated glucose differ from regular glucose? Question options: An OH has been replaced by NHCOCH3 An OH has been replaced by an H An OH has been replaced by NH2 An OH has been replaced by a carbonyl

The molecule shown has fewer carbon atoms than glucose

How does the molecule shown differ from glucose? Question options: It does not, this is glucose The molecule shown is a ketose instead of an aldose The molecule shown has fewer carbon atoms than glucose The molecule shown is the 4-epimer of glucose

The molecule shown is a ketose instead of an aldose

How does the molecule shown differ from glucose? Question options: The molecule shown is a ketose instead of an aldose The molecule shown has fewer carbon atoms than glucose It does not, this is glucose The molecule shown is the 4-epimer of glucose

The molecule shown is the 4-epimer of glucose

How does the molecule shown differ from glucose? The molecule shown is the 4-epimer of glucose The molecule shown is a ketose instead of an aldose It does not, this is glucose The molecule shown has fewer carbon atoms than glucose

Providing specialized functions to a cellular membrane

Sphingolipids have which of the following major functions? Question options: A building block for other types of lipids Energy storage Providing specialized functions to a cellular membrane Forming lipid bilayers Sending signals between cells

amination

The saccharide shown below contains which of the following modifications (select all correct answers)? Question options: Reduction Oxidation Phosphorylation Amination

Sulfation Acetylation

The saccharide shown below contains which of the following modifications (select all correct answers)? Question options: Reduction Oxidation Sulfation Acetylation

When they differ only in the chirality at a single carbon atom

When are two sugars epimers of each other? Question options: When they differ only in the number of carbon atoms When they differ in the location of the carbonyl When they differ only in the chirality at a single carbon atom When they differ in the chirality at multiple carbon atoms

When one anomeric carbon hydroxyl group is not connected to another saccharide

When does a polysaccharide have a reducing end? Question options: When a saccharide residue has been oxidized When one anomeric carbon hydroxyl group is not connected to another saccharide When a saccharide residue has been reduced When all anomeric carbon hydroxyl groups are connected to another saccharide

External structure of plants

Which of the following biological roles does cellulose have (select all correct answers)? Question options: External structure of plants Energy storage in animals External structure of animals Energy storage in plants

Energy storage in plants

Which of the following biological roles does starch have (select all correct answers)? Question options: Energy storage in animals External structure of animals Energy storage in plants External structure of plants

Structural support in animals

Which of the following functions does chitin have (select all correct answers)? Question options: Energy storage in animals Structural support in plants Structural support in animals Energy storage in plants

cellulose chitin

Which of the following is a polysaccharide that has a primary function of structural support (select all correct answers)? Question options: Glycogen Starch Lignin Cellulose Chitin

Glycogen Starch Cellulose

Which of the following molecules is a polysaccharide? Question options: Glycogen Starch Cellulose Lignin

all of these

Which of the following molecules is a type of lipid? Question options: all of these Isoprenoid Triacylglycerol Steroid

Hexose

Which of the following molecules is the largest type of sugar? Question options: Tetrose Pentose Hexose All of these are similar

β-l-glucose

Which of the following names is correct for the structure shown? Question options: β-l-glucose α-d-glucose α-l-glucose β-d-glucose

The primary type of molecules mixed with cellulose to form wood

Which of the following statements describes lignin? Question options: A polysaccharide similar to cellulose The primary type of molecules mixed with cellulose to form wood A polymer of several different monosaccharides A reducing sugar

Ketose

Which of the following terms means a saccharide with a carbonyl on carbon 2 in the linear form? Question options: Aldose Tetrose Ketose Glycan

Oligosaccharide

Which of the following terms means the same as "glycan"? Question options: Ketose Oligosaccharide Reducing sugar Lignin

lateral diffusion

Which term describes motion within a single side of a lipid bilayer? Question options: Transverse diffusion Osmosis Lipid-linked Lateral diffusion

aldose

Which type of sugar has a carbonyl as the first carbon atom? Question options: None of these Hexose Ketose Aldose

triacylglycerol

Write the name of a type of lipid that lacks any charged groups and contains multiple hydrophobic chains. ________

isoprenoid

Write the name of the type of lipid that appears to have a repeating subunit structure of five carbon atoms. ________

fatty acid

Write the name of the type of lipid that consists of a single charged group and single hydrophobic chain. ________

triglyceride

Write the name of the type of lipid that consists of a single charged group and single hydrophobic chain. ________

sphingolipid

Write the name of the type of lipid that is derived from sphingosine. ________

Glycerophospholipid