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Macromolecule Quiz HW
Test Description: Bio HW
Instructions: Answer all questions to get your test result.
1) Which has three polysaccharides?
A
starch, galactose, cellulose
B
cellulose, glycogen, and starch
C
ribose, galactose, fructose
D
fructose, starch, glucose
2) Which of these is not a functiono of lipids in living things?
A
increasing desiccation (drying out)
B
membrane structure
C
Absorbing shocks
D
energy storage
3) Starch is _______.
A
a type of disaccharide
B
fiber-like structural material used in plant cell walls
C
the plant's storage for of energy
D
the animal short-term storage form of energy.
4) What makes amino acids different from each other?
A
the number of carboxyls
B
the number of aminos
C
The number of side chains
D
the number of hydrogens
5) What is the structure of a fatty acid?
A
three carbons with hydroxide at the end
B
long hydrocarbon chains with a carboxyl group at one end
C
an alcohol with three carbons
D
short hydrocarbon chain with an alcohol
6) All of these are what differentiate saturated and unsaturated fats except ----.
A
whether they are found in animal or plant fats
B
the solidity or liquidity
C
the types of molecules
D
the number of double bonds
7) How many polypeptide chains are needed to make up 17 proteins?
A
exactly 29 polypeptide chains
B
less than 8 polypeptide chains
C
polypeptides do not make up proteins
D
17 or more polypeptide chains
8) Chitin can be found in ----.
A
animal cell membranes
B
human hair
C
tree bark
D
the arthropod exoskeleton
9) Which does not affect a protein?
A
salinity
B
pH
C
temperature
D
amino acids
10) Which is the correct explanation for the secondary structure of proteins?
A
The folding of coiling of polypeptide into a repeating configuration resulting from hydrogen bondy of amino w/ carboxl groups
B
The overall three-dimensional shape of a polypeptide
C
The overall protein structure that results from the aggregation of two or more polypeptide subunits
D
The unique sequence of amino acids in a polypeptide
*select an answer for all questions
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