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Macromolecules and Enzyme Review

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.
Which major macromolecule is being represented in this image? 
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
2.
Which of the following contains the genetic code for protein synthesis?
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
3.
What type of macromolecule is being represented in this image? 
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
4.
What are the building blocks of proteins?
a)
amino acid
b)
fatty acid
c)
nucleotide
d)
lipid
5.
What are the single sugars that are the building blocks of carbohydrates?
a)
monosaccharides
b)
disaccharides
c)
polysaccharides
d)
amino acid
6.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
7.
DNA and RNA are examples of 
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
8.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
9.
The organic compounds that have many structural purposes and are used in many processes within the
cell are called ____________________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
10.

Which macromolecule is shown?

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

11.
What type of macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
12.
Lipids are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
13.
Proteins are made of... 
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
14.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
15.
Is found in the cell membrane as a bilayer. 
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
16.
What is the primary function of carbohydrates in your body?
a)
Speed up chemical reactions.
b)
Give immediate energy.
c)
Help to store energy.
d)
Build cell walls in plants.
17.

Which is shown in the picture?

a)

Amino Acid

b)

Nucleotide

c)

Fatty Acid

d)

Monosaccharide

18.

Which is shown in the picture?

a)

Fatty Acid

b)

Monsaccharide

c)

Amino Acid

d)

Nucleotide

19.

The building blocks for organic compounds are called...

a)

Polygons

b)

Polymers

c)

Monograms

d)

Monomers

20.

Enzyme

a)

proteins that speed up chemical reactions

b)

Changing substances by breaking and forming bonds (includes hydrolysis and dehydration reactions)

c)

the capacity for doing work

d)

the energy needed to start a chemical reaction

21.

Active site

a)

the region of an enzyme that attaches to a substrate

b)

a change in the shape of a protein (such as an enzyme) that can be caused by changes in temperature or pH (among other things).

c)

substance that can bind to an enzyme and prevent the substrate from properly binding

d)

macromolecules that contain carbon, hydrogen, oxygen, and nitrogen, include enzymes

22.

Substrate

a)

the substances changed during a chemical reaction (goes into the process)

b)

the substances made by a chemical reaction (comes out of the process)

c)

substance that speeds up the rate of a chemical reaction

d)

reactant of an enzyme-catalyzed reaction

23.

Denature

a)

the region of an enzyme that attaches to a substrate

b)

a change in the shape of a protein (such as an enzyme) that can be caused by changes in temperature or pH (among other things).

c)

substance that can bind to an enzyme and prevent the substrate from properly binding

d)

macromolecules that contain carbon, hydrogen, oxygen, and nitrogen, include enzymes

24.

Why are enzymes needed for life?

a)

They speed up all the chemical reactions in living things.

b)

They are the main proteins that make up our body structure.

c)

The provide energy to all living things.

d)

They provide genetic information.

25.

Which labeled part is the substrate?

a)

letter A

b)

letter B

c)

letter D

d)

letter E

26.

Which model describes the active site of the enzyme changing shape slightly to fit the substrate?

a)

'twisted ladder' model

b)

'estimation' model

c)

'induced fit' model

d)

'lock and key' model

27.

In the lock-and-key model of enzyme action, the __________ fits into the __________ of the enzyme.

a)

product; substrate

b)

active site; product

c)

substrate; active site

d)

active site; substrate

28.

Where in the cell can DNA be found?

a)

In the ribosomes

b)

In the nucleus

c)

In the cytoplasm

d)

All of the above

29.

Which bases are found in RNA?

a)

Adenine (A), Thymine (T), Uracil (U), Guanine (G)

b)

Uracil (U), Guanine (G), Cytosine (C), Thymine (T)

c)

Guanine (G), Cytosine (C), Uracil (U), Adenine (A)

d)

Cytosine (C), Guanine (G), Thymine (T), Uracil (U)

30.

RNA codes for which of the following?

a)

Monosaccharides

b)

Traits

c)

Proteins

d)

Ribosomes

31.

What are the three parts of a nucleotide?

a)

Phosphate group

b)

Nitrogenous base

c)

Thymine

d)

Sugar

e)

Hydrogen

32.

If cytosine accounts for 32% of a DNA molecule's total bases, what percentage will guanine account for?

a)

68%

b)

32%

c)

64%

d)

18%

33.

Which of the following units are repeatedly joined together to form a strand of DNA?

a)

Amino Acids

b)

Nucleotides

c)

Fatty Acids

d)

Polysaccharides

34.

The process of DNA replication is called semi conservative because it results in

a)

none of these

b)

Two DNA molecules.  One original molecule and one with two new strands

c)

two exact copies with new strands

d)

two DNA molecules, each with 1 original strand and one new.

35.

Cytosine bonds with ____

a)

Adenine

b)

Thymine

c)

Guanine

d)

Uracil

36.
Which of the following bases would not be found in DNA?
a)
Adenine
b)
Uracil
c)
Cytosine
d)
Guanine
37.
Which 2 molecules form the sides (backbone) of the DNA ladder?
a)
deoxyribose sugar and adenine
b)
deoxyribose sugar and a hydrogen bond
c)
deoxyribose sugar and the nucleus
d)
deoxyribose sugar and phosphate
38.
DNA, in eukaryotes, is found within the...
a)
Nucleus
b)
Golgi apparatus
c)
Cytosol
d)
Outside the plasma membrane
39.

Which of the following is a type of RNA?

a)

mRNA

b)

tRNA

c)

rRNA

d)

All of these are types of RNA

40.

Which statement is true about RNA?

a)

RNA is usually single stranded and contains the base uracil

b)

RNA is usually double stranded and contains the base thymine

c)

RNA is made in the nucleus and stays there to carry out its function

d)

All of the above are true.

41.
In eukaryotes, functional messenger RNA molecules are made from
a)
exons spliced together after introns are removed
b)
introns spliced together after eons are removed
c)
exons spliced together with introns
d)
long pieces of RNA shortened by the Dicer enzyme
42.
What type of carbohydrate is this?
a)
polysaccharide
b)
disaccharide
c)
monosaccharide
d)
it isn't a carbohydrate
43.

A polymer: or many units of a carbohydrate is

a)

monosaccharide

b)

polysaccharide

c)

fruit

d)

lipid

44.

In order to break apart a polymer ________ must be added.

a)

carbon

b)

water

c)

oxygen

d)

hydrogen

45.

A _________ reaction removes a molecule of water to bond molecules together to create a polymer.

a)

hydrolysis

b)

water

c)

dehydration synthesis

d)

magical

46.

What type of reaction is shown?

a)

Dehydration synthesis

b)

Hydrolysis

47.

Which type of reaction is shown?

a)

Dehydration Synthesis

b)

Hydrolysis

48.

What does the term "synthesize" mean?

a)

To break down

b)

To put together

49.
The following figure is illustrating
a)

Dehydration Synthesis

b)

Hydrolysis

50.

Anything that ends in -ose is a(n) ___ and anything that ends in -ase is a(n).

a)

proteins, lipid

b)

sugar, enzyme

c)

enzyme, sugar

d)

lipid, protein

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