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WorksheetsAssignment 1: Chemistry of Life
Total questions: 15
Worksheet time: 8mins
Name
Class
Date
1.
What is the smallest unit of matter that cannot be broken down by chemical means?
a)
Atom
b)
Element
c)
Ion
d)
Isotope
2.
What is the strongest of all the bonding types?
a)
Covalent
b)
Ionic
c)
Hydrogen
d)
Metallic
3.
What are the four elements that all life is made up of?
a)
Hydrogen, Oxygen, Nitrogen and Carbon
b)
Helium, Oxygen, Neon and Carbon
c)
Hydrogen, Titanium, Carbon, Nitrogen
d)
Oxygen, Chlorine, Iron, Nitrogen
4.
This biomolecule is used to make energy for our cells. The simplest is glucose, a monosaccharide.
a)
Carbohydrates
b)
Lipids
c)
Nucleic Acids
d)
Proteins
5.
These biomolecules are fats, oils, waxes and steroids. They are also a result if we eat too many carbohydrates and why we don't melt in water.
a)
Carbohydrates
b)
Lipids
c)
Nucleic Acids
d)
Enzymes
6.
Examples of these biomolecules are DNA and RNA...
a)
Nucleic Acids
b)
Carbohydrates
c)
Lipids
d)
Proteins
7.
Nucleic Acids are made up of smaller subunits called....
a)
Nucleotides
b)
Lipids
c)
Monosaccharides
d)
Subunits
8.
These biomolecules are the main building blocks of you. They are large and complex and special ones do jobs all over your body as catalysts.
a)
Proteins
b)
Carbohydrates
c)
Lipids
d)
Nucleic Acids
9.
Proteins are made up of two things...
a)
Amino Acids and Peptide Bonds
b)
Amino Acids and Covalent Bonds
c)
Amino Acids and Hydrogen Bonds
d)
Amino Acids and Ionic Bonds
10.
How many Amino Acids does our body use to make proteins?
a)
20
b)
10
c)
6
d)
2
11.
What are special types of proteins that act as catalysts?
a)
Enzymes
b)
Lipids
c)
Polysaccharides
d)
DNA
12.
Are enzymes substrate specific?
a)
YES!
b)
No...
13.
Enzymes can either...
a)
break things down or put things togeter
b)
break things down only
c)
put things together only
d)
make cheese
14.
Where an enzyme joins with a substrate is called its...
a)
Active Site
b)
Mouth
c)
Substrate
d)
pH
15.
Enzymes make chemical reactions go faster by doing what?
a)
Lowering the activation energy of a reaction
b)
Making energy
c)
Absorbing energy
d)
Having a dance off with other enzymes
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