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Biochemistry, Macromolecules, & Enzymes

Total questions: 37

Worksheet time: 25mins

Name
Class
Date
1.

________ are small individual molecules that when linked together form a _______

a)

polymers

monomer

b)

carbohydrates

lipid

c)

proteins

nucleic acid

d)

monomers

polymer

2.

Which biomolecule is a source of quick energy for cells?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

3.

Which biomolecule plays a role in muscle development and repair?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

4.

If athletes "pasta load" the day before a big game, which biomolecule are they consuming the most of to stock up on a source of quick energy?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

5.

A mutation in DNA would initially start with which biomolecules?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

6.

Which type of biomolecule makes up cell membranes?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

7.

Enzymes are special _______ that speed up chemical reactions.

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

8.

DNA and RNA belong to this biomolecule group.

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

9.

Which group of biomolecules contains glycerol and fatty acids?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

10.

Which of these is NOT a lipid

a)

fats

b)

oils

c)

amino acids

d)

waxes

11.

Glucose, Lactose, and Sucrose all end in -ose. This means they are sugars...which group of biomolecules do they belong to?

a)

carbohydrates

b)

lipids

c)

proteins

d)

nucleic acids

12.

Amino Acids are the monomers of __________.

a)

Nucleic Acids

b)

Proteins

c)

Carbohydrates

d)

Lipids

13.

The monomer of Nucleic Acids is known as _________.

a)

Amino Acid

b)

Fatty Acid

c)

Nucleotide

d)

Saccharide

14.

Which of the following contains the most lipid?

a)
b)
c)
d)
15.

Which of the following is the correct pair of biomolecules and their monomers?

a)

Carbohydrate: Fatty Acids

b)

Protein: Amino acid

c)

Lipid: Nucleotide

d)

Nucleic Acid: DNA

16.

What biomolecule serves as structural materials in hair, nails and connective tissues?

a)

protein

b)

lipid

c)

carbohydrate

d)

nucleic acid

17.

Lipids are primarily made out of...

a)

Carbon

b)

Hydrogen

c)

Oxygen

d)

Nitrogen

e)

Phosphorus

18.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
19.
Which biomolecule is this a picture of?
a)
Protein
b)
Nucleic Acid
c)
Lipid
d)
Carbohydrate
20.
What is a substance called if it speeds up a chemical reaction?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
21.
What will most likely happen if an appropriate enzyme is added to a chemical reaction? 
a)
The reaction rate will increase.
b)
The equilibrium of the reaction will be maintained. 
c)
The reaction rate will decrease.
d)
The reaction will stop. 
22.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
23.

Enzymes are responsible for-

a)

Speeding up reactions

b)

Giving the body energy

c)

Slowing down reactions

24.

Letter c...

a)

active site

b)

enzyme

c)

substrate

d)

products

25.

An enzyme speeds up a chemical reaction in the cell but can only be used once.  True or False? 

a)

true

b)

false

26.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
27.

What happens when enzymes are heated to a high temperature?

a)

The enzymes die.

b)

The shapes of the enzyme are altered denature

c)

The enzymes' amino acid sequence changes.

d)

The enzymes remain the same

28.
The smallest particle of any type of matter is known by which of the following terms?
a)
Element
b)
Compound
c)
Atom
d)
Chemical
29.
What subatomic particle is positively charged and is located inside of the nucleus?
a)
Proton
b)
Neutron
c)
Electron
d)
Ion
30.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
31.

This is any combination of two or more atoms from different elements that are chemically combined.

a)

compound

b)

molecule

c)

element

d)

pure substance

32.

Which line represents a reaction WITH an enzyme?

a)

A

b)

B

33.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
34.
_______ dictates the function of a protein
a)
Shape
b)
Temperature
c)
pH
d)
Time
35.

Which best describes why the shape of an enzyme is important?

a)

a specific substrate needs to fit perfectly into its activation site

b)

their shape allows them to move easier through the body

c)

helps us name them

d)

not important; enzymes can be used for multiple reactions

36.
The substances listed on the left side of a chemical equation are the
a)
Products
b)
Coefficients
c)
Precipitates
d)
Reactants
37.
What are the 4 most abundant elements in living things?
a)
hydrogen, oxygen, nitrogen, carbon
b)
hydrogen, helium, oxygen, carbon
c)
carbon, manganese, iron, hydrogen

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