WorksheetsCh 3.3 check questions
Total questions: 27
Worksheet time: 14mins
Name
Class
Date
1.
How many bonds can carbon form with other atoms?
a)
4
b)
1
c)
2
d)
3
e)
5
2.
Biomolecules by definition must contain what element?
a)
hydrogen
b)
nitrogen
c)
carbon
d)
oxygen
3.
Which one of the following sugars is NOT a monosaccharide?
a)
Sucrose
b)
glucose
c)
galactose
d)
fructose
4.
Sugars have what ratio of carbon to hydrogen to oxygen?
a)
1:2:0
b)
1:2:1
c)
1:2:many
d)
none
5.
What is a disaccharide?
a)
one sugar
b)
two sugars
c)
many sugars
d)
no sugars
6.
Check the two compounds which are disaccharides.
a)
glucose
b)
lactose
c)
fructose
d)
sucrose
7.
Which is not a polysaccharide made only of glucose?
a)
starch
b)
lactose
c)
chitin
d)
cellulose
8.
Plants produce what type of simple carbohydrate and store as what other complex carbohydrate?
a)
starch, glucose
b)
glucose, starch
c)
glucose, chitin
d)
glucose, cellulose
9.
Name two types of structural polysaccharides.
a)
cellulose and chitin
b)
starch and glycogen
c)
phospholipids and steroids
d)
Fats and waxes
10.
Where is cellulose found in the cells of plants?
a)
cell membrane
b)
vacuole
c)
cell wall
d)
roots
11.
What organisms DO NOT produce chitin?
a)
arthropods
b)
mushrooms
c)
plants
d)
some animals
12.
What function do carbohydrates serve on the outside of cells?
a)
structure
b)
energy
c)
name tag
13.
Name four classes of lipids.
(a)
14.
T or F Lipids repel water.
a)
True
b)
False
15.
T or F: Lipids are ALL hydrophobic.
a)
True
b)
False
16.
T or F: Lipids give long term energy.
a)
True
b)
False
17.
Proteins are chains of what type of molecules? AKA: What are the building blocks of proteins?
a)
amino acids
b)
monosaccharides
c)
hydrocarbon chains
d)
nucleotides
18.
Amino acids have what TWO functional groups?
a)
hydroxyl
b)
carboxyl
c)
amino
d)
phosphate
19.
Name the type of bond that forms between amino acids.
(a)
20.
There are 20 different types of amino acids. What part of each amino acid is different?
a)
Central Carbon
b)
R group
c)
amino group
d)
carboxyl group
21.
Which is not one of the four levels of protein structure?
a)
initial
b)
primary
c)
secondary
d)
tertiary
22.
Which is not part of a nucleotide?
a)
6 carbon sugar
b)
5 carbon sugar
c)
phosphate group
d)
nitrogen base
23.
What does DNA stand for? Check the spelling!
(a)
24.
What happens when ATP LOSES its phosphate groups?
a)
releases energy
b)
absorbs energy
c)
nothing
d)
it becomes less stable
25.
What is the function of nucleic acids?
a)
store and release energy
b)
store and transmit genetic information
c)
structure
d)
protection
26.
DNA contains the information to make _______________.
a)
proteins
b)
water
c)
carbon
d)
DNA does not store information
27.
Do you have any questions or comments about the material?
4 lines
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