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WorksheetsBio. Ch. 6 Chemistry of Life
Total questions: 40
Worksheet time: 20mins
Name
Class
Date
1.
What type of bond forms between 2 polar molecules?
a)
Ionic
b)
Covalent
c)
Peptide
d)
Hydrogen
2.
Fatty Acids are the monomer building block for which macromolecule?
a)
lipid
b)
carbohydrate
c)
nucleic acid
d)
protein
3.
Amino Acids are the monomer building block for which macromolecule?
a)
lipid
b)
carbohydrate
c)
nucleic acid
d)
protein
4.
Nucleotides are the monomer building block for which macromolecule?
a)
lipid
b)
carbohydrate
c)
nucleic acid
d)
protein
5.
Monosaccharides, also known as simple sugars, are the monomer building block for which macromolecule?
a)
lipid
b)
carbohydrate
c)
nucleic acid
d)
protein
6.
Which macromolecule serves as the construction materials for hair, skin, nails, muscles, and blood?
a)
lipid
b)
carbohydrate
c)
nucleic acid
d)
protein
7.
Which property of water allows for the upward movement of water in plants, allowing plants to drink?
a)
Cohesion
b)
Capillary Action
c)
Surface Tension
d)
Large Thermal Capacity
8.
What monosaccharide is commonly found in milk?
a)
Fructose
b)
Sucrose
c)
Galactose
d)
Glucose
9.
What monosaccharide is commonly found in the blood of animals?
a)
Lactose
b)
Sucrose
c)
Cellulose
d)
Glucose
10.
What polysaccharide is found in the cell walls of plants?
a)
Glycogen
b)
Starch
c)
Cellulose
d)
Glucose
11.
What forms hydrogen ions (H+) when dissolved in water?
a)
Acid
b)
Base
12.
What has a bitter taste?
a)
Acid
b)
Base
13.
What turns litmus paper red?
a)
Acid
b)
Base
14.
What has a pH less than 7?
a)
Acid
b)
Base
15.
When an enzyme loses its shape and can no longer function, the enzyme is said to be:
a)
hydrolyzed
b)
corrupted
c)
denatured
d)
saturated
16.
A condensation reaction is also known as....
a)
dehydration synthesis
b)
reverse
reaction
c)
hydrolysis
d)
precipitation
17.
In a chemical reaction, the starting materials are called...
a)
products
b)
monomers
c)
reactants
d)
polymers
18.
Molecules with unequal areas of charge, such as water, are referred to as
a)
polar
b)
ions
c)
isomers
d)
non-polar
19.
How many different kinds of amino acids are there?
a)
4
b)
14
c)
20
d)
34
20.
Which is NOT a component of a nucleotide?
a)
base
b)
simple sugar
c)
pentose sugar
d)
phosphate
21.
What material is present in our bodies to help us maintain proper pH levels?
a)
peptides
b)
enzymes
c)
polymers
d)
buffers
22.
The tendency of elements to combine and form compounds depends on the number & arrangement of:
a)
protons
b)
neutrons
c)
electrons
d)
chemical
bonds
23.
Which nucleic acid is used as energy for cells by breaking its high energy phosphate bonds?
a)
ATP
b)
DNA
c)
RNA
d)
CSI
24.
Which nucleic acid contains the code used for protein synthesis?
a)
ATP
b)
DNA
c)
RNA
d)
CSI
25.
Organic compounds always contain what two elements?
a)
hydrogen and oxygen
b)
carbon and hydrogen
c)
phosphorus and sulfur
d)
nitrogen and oxygen
26.
What are the columns of the periodic table called?
a)
groups
b)
periods
c)
classes
d)
cohorts
27.
What are the rows of the periodic table called?
a)
groups
b)
periods
c)
classes
d)
cohorts
28.
How do we show a hydrogen bond in an electron configuration drawing?
a)
a dotted line
b)
two overlapping electron shells
c)
an arrow
d)
two solid lines
29.
Compounds that have the same formula but different structures and arrangements, are known as...
a)
ions
b)
isotopes
c)
isomers
d)
atoms
30.
Charged particles are referred to as...
a)
ions
b)
isotopes
c)
isomers
d)
atoms
31.
Atoms of the same element with different numbers of neutrons are called ...
a)
ions
b)
isotopes
c)
isomers
d)
atoms
32.
The pH scale ranges from...
a)
0-12
b)
1-14
c)
0-14
d)
1-13
33.
At room temperature most unsaturated fats are ...
a)
solid
b)
liquid
c)
gas
34.
A subatomic particle with a positive charge is a:
a)
proton
b)
neutron
c)
electron
d)
photon
35.
Macromolecules that do not dissolve in water are:
a)
proteins
b)
lipids
c)
carbohydrates
d)
nucleic acids
36.
Total number of protons plus neutrons is called the...
a)
Atomic
mass
b)
Atomic number
c)
Electro negativity
d)
Electron affinity
37.
Ammonia is considered a(n)...
a)
acid
b)
base
38.
When sugar dissolves in water, sugar is the...
a)
solute
b)
solvent
c)
solution
d)
mixture
39.
Glycogen is stored in what two body parts?
a)
muscles and liver
b)
stomach and pancreas
c)
heart and lungs
d)
kidneys and intestine
40.
The region on the enzyme where it binds to the substrate is called the:
a)
allosteric site
b)
aphotic zone
c)
dormant zone
d)
active site
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