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Macromolecules Test Review

Total questions: 45

Worksheet time: 23mins

Name
Class
Date
1.

Monomers are linked together with this type of reaction, water is lost.

a)

condensation

b)

hydrolysis

c)

double displacement

d)

decomposition

2.

The 1:2:1 ratio of carbon to hydrogen to oxygen is seen in which group of macromolecules?

a)

carbohydrates

b)

proteins

c)

lipids

d)

nucleic acids

3.

Three fatty acids bonded to one molecule of glycerol forms a:

a)

lipid

b)

carbohydrate

c)

monosacharride

d)

amino acid

4.

A molecule composed of many repeating subunits is called:

a)

a polymer

b)

a monomer

c)

an enzyme

d)

a lipid

5.

Which of the following is not an example of a carbohydrate?

a)

wax

b)

sugars

c)

starches

d)

cellulose

6.

The part of an amino acid that gives the amino acid its unique shape and determines its properties is the:

a)

amino group

b)

hydroxyl

c)

carboxyl

d)

R group

7.

In the equation V + XYXZ ----> XY + XZ + V, the enzyme would be:

a)

V

b)

XZ

c)

XYXZ

d)

XY

8.

Which of the following is a function of the nucleic acids?

a)

store and transmit genetic information

b)

used to store energy

c)

used for structural purposes in plants

d)

used to insulate the body

9.

The monomer to proteins are:

a)

amino acids

b)

glycerol

c)

nucleotide

d)

saccharides

10.

Monomer for carbohydrates are:

a)

fatty acid chains

b)

amino acids

c)

nucleotides

d)

monosaccharides like glucose

11.

A monosaccharide is a:

a)

carbohydrate

b)

protein

c)

lipid

d)

nucleic acid

12.

A long chain of amino acids bonded together is called a:

a)

polypeptide

b)

disaccharide

c)

polysaccharide

d)

nucleic acid

13.

Which of the following macromolecules is the main energy source of all living things?

a)

carbohydrates

b)

lipids

c)

nucleic acids

d)

proteins

14.

Which of the following is NOT a function of proteins?

a)

used to store and transmit genetic information

b)

used for structural purposes such as bones and muscles

c)

used to fight disease (antibodies)

d)

they can be used to transport substances (hemoglobin)

15.

Small, simple molecules that are joined together to form much larger molecules are called:

a)

monomers

b)

polymers

c)

ions

d)

functional groups

16.

Which of the following is NOT considered a use for lipids?

a)

used as the structural component of the cell wall of plants

b)

used to insulate the body

c)

important components of the cell membrane

d)

help form waterproof coverings

17.

Small clusters of atoms attached to carbon skeletons that give the molecule a unique shape and determine the properties of the molecule are known as:

a)

functional groups

b)

monomers

c)

enzymes

d)

macromolecules

18.

Giant molecules!

a)

macromolecules

b)

micromolecules

c)

really really big molecules

d)

tiny so small molecules

19.

The functional group that has a cluster of atoms with the formula PO4.

a)

phosphate

b)

carboxyl

c)

hydroxyl

d)

amino

20.

Quick energy foods.

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

21.

What class of compounds have carbon atoms bonded to other carbon atoms?

a)

organic

b)

inorganic

22.

Type of protein that speeds up the rate of chemical reactions? It is a catalyst.

a)

enzymes

b)

hormones

c)

antibodies

d)

saccharides

23.

What name is given to a sugar consisting of two saccharides bonded together to form the monomer?

a)

disaccharide

b)

monosaccharide

c)

unisaccharide

d)

polysaccharide

24.

Starch and glycogen are good examples of a polysaccharide because:

a)

both have many saccharides per monomer

b)

both have one saccharide per monomer

c)

both have 2 saccharides per monomer

d)

both do not have a monomer

25.

What type of reaction breaks down large polymers into their monomers?

a)

hydrolysis

b)

condensation

c)

synthesis

d)

double displacement

26.

Type of lipid that is important structural basis for cell membranes.

a)

phospholipid

b)

triglyceride

c)

wax

d)

saccharide

27.

Fatty acid that has no carbon-carbon double bonds.

a)

saturated

b)

unsaturated

c)

polysaturated

d)

peptide

28.

Fatty acid that has at least one carbon-carbon double bond, found in plant oils.

a)

unsaturated

b)

saturated

c)

polypeptide

d)

nucleotide

29.

What name is given to the type of covalent bond that links together the amino acids in a protein?

a)

peptide

b)

glycosidic

c)

glycerol

d)

hydroxyl

30.

Enzymes belong to which group of organic compounds?

a)

proteins

b)

lipids

c)

carbohydrates

d)

nucleic acids

31.

The reactants to an enzyme catalyzed reaction.

a)

substrates

b)

active site

c)

peptide

d)

enzyme- substrate complex

32.

Place on the enzyme where the substrate fits.

a)

active site

b)

peptide

c)

monomer

d)

saccharide

33.

Enzymes are re-useable.

a)

true

b)

false

34.

What monomer is this?

a)

amino acid

b)

saccharide

c)

glucose

d)

nucleotide

35.

What are the two building blocks to a lipid?

a)

glycerol and fatty acids

b)

nucleotides and peptides

c)

amino acids and nucleotides

d)

glycerol and peptides

36.

What group of macromolecule is shown in the diagram?

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

37.

What monomer is shown?

a)

nucleotide

b)

saccharide

c)

glycerol

d)

amino acid

38.

What monomer is this?

a)

saccharide

b)

fatty acid

c)

nucleotide

d)

amino acid

39.

What group of macromolecules consists of carbon, hydrogen, and oxygen BUT the ratio of carbon and hydrogen is much higher than oxygen.

a)

lipids

b)

carbohydrates

c)

proteins

d)

nucleic acids

40.

This macromolecule consists of carbon, hydrogen, oxygen, and nitrogen.

a)

proteins

b)

carbohydrates

c)

nucleic acids

d)

lipids

41.

Which of the following is NOT a macromolecule?

a)

carbon dioxide

b)

carbohydrates

c)

lipids

d)

proteins

42.

What characteristics of Carbon allow it to form a variety of biological macromolecules?

a)

has 4 valence electrons available for bonding

b)

readily forms 4 covalent bonds with other carbon atoms as well as a variety of other elements

c)

carbon atoms bond with other carbon atoms to form long chains or rings

d)

in nature, carbon is readily available and very abundant

e)

all are characteristics of carbon that make it the ELEMENT OF LIFE

43.

In the equation V + XYXZ ----> XY + XZ + V, the substrate would be?

a)

XYXZ

b)

V

c)

XY

d)

XZ

44.

In the equation V + XYXZ ----> XY + XZ + V, the products would be:

a)

XYXZ

b)

XY + XZ

c)

V

d)

XY

45.

Organic compounds are compounds that contain ___________ atoms.

a)

carbon

b)

iron

c)

magnesium

d)

helium

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