Physiology 001 - Introduction to Human Physiology » Fall 2021 » Chemical Composition of Body Part 2
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Question #1
The amount of which subatomic particle is different between an atom and its ion?
A.
Electrons
B.
Protons
C.
Ions
D.
Neutrons
Question #2
Which of the following types of organic molecules is most abundant in a potato?
A.
Monosaccharides
B.
Glycogen
C.
Polysaccharides
D.
Disaccharides
Question #3
Rapid hydrolysis of triglycerides could cause a decreased pH and an increase in blood levels of ___________.
A.
LDLs
B.
trans fatty acids
C.
lecithin
D.
ketone bodies
Question #4
The bond between adjacent amino acids is a(n) __________.
A.
covalent bond
B.
peptide and covalent bond
C.
peptide bond
D.
amino bond
E.
ionic bond
Question #5
What type of reaction occurs during protein synthesis to produce the primary structure of a protein?
A.
Combustion
B.
Hydrolysis
C.
Dehydration synthesis
D.
Ionic
Question #6
Choose the order of energy sources that is correctly listed from most to least readily available for the cell to generate ATP.
A.
Proteins, glucose, amino acids, fatty acids
B.
Triglycerides, glycogen, fatty acids
C.
Glucose, fatty acids, triglycerides
D.
Glucose, triglycerides, amino acids
Question #7
The general formula for all carbohydrates is ________.
A.
2CnHnOn
B.
CnH2nOn
C.
HnO
D.
CnOn
Question #8
Two monosaccharides can be joined in a covalent bond to form a(n) __________.
A.
oligosaccharide
B.
disaccharide
C.
glycosaccharide
D.
polysaccharide
Question #9
The major difference between starch, glycogen, and cellulose and their adjacent glucose subunits is the ________.
A.
type of sugars
B.
addition of water
C.
number of subunits
D.
type of chemical bonding
Question #10
The sequence of amino acids and the structure of a given protein is determined by ________.
A.
the formation of water molecules
B.
hydrophobic amino acids in the protein
C.
the amount of collagen fibers
D.
genetic information
Question #11
Amino acids are characterized by _______.
A.
a carboxyl group on one end of the molecule and an acetic acid group in the other end
B.
an amino group on one end of the molecule and a carbonyl group in the other end
C.
an amino group on one end of the molecule and a carboxyl group in the other end
D.
a carboxyl group on one end of the molecule and a phosphate group in the other end
Question #12
In which type of reaction are water molecules split off as peptide bonds are formed?
A.
Lipolysis
B.
Dehydration synthesis
C.
Hydrolysis
D.
Glycolysis
Question #13
The two strands of the double-helix structure of DNA are held together by __________ bonds between complementary bases in each strand.
A.
ionic
B.
peptide
C.
hydrogen
D.
covalent
Question #14
Three major types of RNA molecules that function in the cytoplasm of cells include ________.
A.
dRNA, rRNA, mRNA
B.
uRNA, tRNA, mRNA
C.
tRNA, uRNA, cRNA
D.
mRNA, tRNA, rRNA
Question #15
The food molecules absorbed from the intestine are generally __________.
A.
polymers that differ from the food polymers
B.
the same monomers and polymers present in the food
C.
monomers derived from polymers in the food Correct
D.
polymers formed from monomers in the food
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