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Macromolecules, Enzymes, & Water

Total questions: 27

Worksheet time: 15mins

Name
Class
Date
1.

What macromolecule is made up of C,H,O,N?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

2.

What is the function of Carbohydrates?

a)

Long-term energy

b)

Muscle development

c)

Short-term energy

d)

enzyme activity

3.

Which macromolecule has amino acids as monomers?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

4.

Which one of the macromolecules are instrumental in the cell membrane?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

5.

This macromolecules is responsible for providing our genetic material. Choose the macromolecule that best fits.

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

6.

Which one of our macromolecules would you consume in order to receive long-term energy?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

7.

My monomers are glycerol and fatty acids. Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

8.

My monomers are monosaccharides. Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

9.

My monomers consist of a phosphate group, a sugar, and a nitrogenous base. Which macromolecule am I?

a)

Carbohydrate

b)

Lipids

c)

Proteins

d)

Nucleic Acids

10.

I assist with keeping you well (immune health). Which macromolecule am I?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

11.

Which macromolecule has this structure?

a)

Carbohydrate

b)

Lipids

c)

Proteins

d)

Nucleic acids

12.

Which macromolecule is structured this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

13.

Which macromolecule is structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

14.

Which of the macromolecules are structured in this way?

a)

Carbohydrates

b)

Lipids

c)

Proteins

d)

Nucleic acids

15.

Enzymes are what macromolecule?

a)

Nucleic Acid

b)

Lipid

c)

Protein

d)

Carbohydrate

16.

Enzymes

a)

speed up chemical reactions

b)

slow down chemical reactions

c)

do nothing to a chemical reaction

17.

Without proper enzyme regulation you would die

a)

true

b)

false

18.

How does an enzymes shape relate to its function?

a)

the shape of the enzyme has no relation to its function

b)

the enzyme is shaped specially for certain substrates to perform a specific reaction

c)

the enzyme shape acts as a receptor to certain products

d)

the enzyme shape can fit into specific substrates to cease a reaction

19.

A is the

a)

substrate

b)

enzyme-substrate complex

c)

products

20.

B is the

a)

substrate

b)

enzyme-substrate complex

c)

products

21.

C is the

a)

substrate

b)

enzyme-substrate complex

c)

products

22.

An enzyme ________ the activation energy needed for a reaction to occur.

a)

decreases

b)

increases

c)

does nothing to

d)

increases then decreases

23.
Water is often called the "universal solvent" because many substances can be dissolved in water. What property of water allows it to be such a versatile solvent? 
a)
purity
b)
polarity and cohesion
c)
high heat capacity
d)
expansion upon freezing
24.
Large bodies of water, such as lakes and oceans, do not quickly fluctuate in temperature. What is the reason for this phenomenon?
a)
Water is an acid.
b)
Water is a versatile solvent.
c)
Water has a high heat capacity.
d)
 Water acts as a buffer.
25.
Water is essential for life. Its special properties make water the single most important molecule in plant life. Which of the following properties of water enables it to move from the roots to the leaves of plants?
a)
Water expands as it freezes.
b)
Water is an excellent solvent.
c)
Water exhibits cohesive behavior.
d)
Water is able to moderate temperature.
26.
A florist places a bouquet of white carnations in water containing blue dye. After a time, the flowers turn blue. What process helped the carnations to change color?
a)
Specific heat 
b)
Surface tension
c)
Cohesion and adhesion of water molecules 
d)
Formation of covalent bonds between hydrogen and oxygen molecules
27.
 Which of the following characteristics of water is not a result of hydrogen bonding?
a)
adhesive strength
b)
capillarity
c)
cohesive strength
d)
All of the above are a result of hydrogen bonding.

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