WorksheetsMOLECULE OF LIFE
Total questions: 10
Worksheet time: 9mins
Name
Class
Date
1.
Sugar or starch that living things use for energy.
a)
protein
b)
carbohydrate
c)
lipids
d)
nucleic acids
2.
A large molecule made up of amino acids that is often plentiful in meat.
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
3.
Information molecules that provide directions to make proteins. Most important DNA & RNA
a)
carbohydrates
b)
lipids
c)
nucleic acids
d)
proteins
4.
What elements are present in this fatty acid chain?
a)
H, O, C
b)
H, C
c)
Ag, C, He
d)
Ti, Aq, O
5.
Unsatured fats are healthier for you. Which is an example of an unsaturated fat?
a)
butter
b)
bacon
c)
olive oil
d)
eggs
6.
Which of the following molecules make up the basic structure of a cell membrane?
a)
waxes
b)
steroids
c)
fatty acids
d)
phospholipids
7.
This molecules is a
a)
amino acid
b)
nucleic acid
c)
carbohydrate
d)
lipid
8.
Saturated fats are __________ at room temperature.
a)
liquid
b)
gases
c)
plasma
d)
solid
9.
Simple sugars, like glucose, are called
a)
monosaccharides
b)
disaccharides
c)
polysaccharides
d)
starch
10.
Steroids have what kind of structure?
a)
long chain of hydrogen/carbons with a glycerol group
b)
CHO in a hexagonal shape
c)
4 fused rings
d)
polar head and two fatty acid tails
100 %
