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.
Protons
B.
Ions
C.
Electrons
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.
lecithin
B.
trans fatty acids
C.
ketone bodies
D.
LDLs
Question #4
The bond between adjacent amino acids is a(n) __________.
A.
covalent bond
B.
peptide bond
C.
amino bond
D.
ionic bond
E.
peptide and covalent bond
Question #5
What type of reaction occurs during protein synthesis to produce the primary structure of a protein?
A.
Ionic
B.
Dehydration synthesis
C.
Hydrolysis
D.
Combustion
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.
CnOn
B.
2CnHnOn
C.
HnO
D.
CnH2nOn
Question #8
Two monosaccharides can be joined in a covalent bond to form a(n) __________.
A.
polysaccharide
B.
disaccharide
C.
oligosaccharide
D.
glycosaccharide
Question #9
The major difference between starch, glycogen, and cellulose and their adjacent glucose subunits is the ________.
A.
addition of water
B.
type of sugars
C.
type of chemical bonding
D.
number of subunits
Question #10
The sequence of amino acids and the structure of a given protein is determined by ________.
A.
hydrophobic amino acids in the protein
B.
the formation of water molecules
C.
genetic information
D.
the amount of collagen fibers
Question #11
Amino acids are characterized by _______.
A.
an amino group on one end of the molecule and a carboxyl group in the other end
B.
an amino group on one end of the molecule and a carbonyl group in the other end
C.
a carboxyl group on one end of the molecule and an acetic acid 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.
Glycolysis
C.
Hydrolysis
D.
Dehydration synthesis
Question #13
The two strands of the double-helix structure of DNA are held together by __________ bonds between complementary bases in each strand.
A.
hydrogen
B.
covalent
C.
ionic
D.
peptide
Question #14
Three major types of RNA molecules that function in the cytoplasm of cells include ________.
A.
tRNA, uRNA, cRNA
B.
mRNA, tRNA, rRNA
C.
dRNA, rRNA, mRNA
D.
uRNA, tRNA, mRNA
Question #15
The food molecules absorbed from the intestine are generally __________.
A.
polymers that differ from the food polymers
B.
monomers derived from polymers in the food Correct
C.
the same monomers and polymers present in the food
D.
polymers formed from monomers in the food
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