WorksheetsAICE Biology Unit 2
Total questions: 27
Worksheet time: 15mins
What elements make up lipids?
Carbon, hydrogen, nitrogen, oxygen
sulfur, carbon, hydrogen
glucose and fructose
carbon, hydrogen, oxygen
What elements make up proteins?
Carbon, hydrogen, nitrogen, oxygen
sulfur, carbon, hydrogen
glucose and fructose
carbon, hydrogen, oxygen
What is the ratio of carbon to oxygen atoms in a lipid?
Equal (or nearly equal) amounts, depending on condensation
Equal (or nearly equal) amounts, depending on condensation
There are 16.2 times more carbons than oxygens
No set ratio, but far more carbon than oxygen
This is a glycine molecule (an amino acid). What is the R group?
NH2
CH3
H
COOH
Which molecule is shown in the figure below?
Galactose
Fructose
Alpha glucose
Beta glucose
Which molecule is shown in the figure below?
Galactose
Fructose
Alpha glucose
Beta glucose
A sample of milk is tested with Benedict’s solution. After boiling, a blue color is observed. Which conclusion could be drawn using this information?
Reducing sugars are present
Reducing sugars are not present
Non-reducing sugars are present
Non-reducing sugars are not present
Which of the following is a positive result for reducing sugars?
Left
Right
What is shown in this image?
Cell Membrane
Micelle
Liposome
What type of microscope likely took this image?
Scanning Electron Microscope
Transmission Electron Microscope
Compound Light Microscope
Transfer Electron Microscope
Amylase and starch
Cellulose and starch
Phospholipid and cellulose
Starch and Phospholipid
Which bonds hold the secondary structure of proteins together?
1, 2 and 3
1 and 2 only
1 only
2 and 3 only
The diagrams show the amino acid serine. Which circled area is different in all other amino acids?
Which diagram correctly shows hydrogen bonding between water molecules?
The diagram shows the mitotic cell cycle. During which phase is DNA replicated?
A
B
C
D
Which diagram shows the bond linking the individual units of a polysaccharide?
Which diagram shows the bond linking the individual units of a polypeptide?
Which diagram shows the bond linking the individual units of a triglyceride?
Between fatty acids and glycerol
Within fatty acids and within glyercol
Within fatty acids only
Within glycerol only
