WorksheetsBio 111 Lab Quiz 3
Total questions: 10
Worksheet time: 34mins
Name
Class
Date
1.
Which biomolecule turns iodine solution black?
a)
complex carbohydrate (polysaccharide)
b)
protein
c)
simple carbohydrate (monosaccharide)
d)
lipid
2.
Which reagent is used to test for simple carbohydrates (monosaccharides)?
a)
iodine solution
b)
Benedict's solution
c)
Biuret solution
d)
Sudan III solution
3.
Which reagent is used to test for proteins?
a)
iodine solution
b)
Benedict's solution
c)
Biuret solution
d)
Sudan III solution
4.
Which reagent is used to test for lipids?
a)
iodine solution
b)
Benedict's solution
c)
Biuret solution
d)
Sudan III solution
5.
Which biomolecules did we test not for in the lab?
a)
simple carbohydrates (monosaccharides)
b)
lipids
c)
proteins
d)
nucleic acids
e)
complex carbohydrates (polysaccharides)
6.
What color does Benedict's solution turn in the presence of a simple carbohydrate (monosaccharide)? Think about the color range chart and the intensity of the colors if it was present.
a)
range from yellow to red
b)
blue/black
c)
purplish/violet
d)
red
7.
A chemical reaction in which a larger molecule is broken down into smaller molecules
a)
catabolic
b)
anabolic
8.
A sum of all the chemical reactions in the body.
a)
catabolism
b)
anabolism
c)
metabolism
d)
fabulism
9.
The benedict's test solution contains copper ions that are used to identify reducing sugars such as
a)
sucrose
b)
glucose and fructose
c)
dextose
d)
lactose
10.
What does tonight's lab cover? ( could be more than one answer)
a)
microscope
b)
plant cells
c)
animal cells
d)
macromolecules
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