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.
Ions
C.
Protons
D.
Neutrons
Question #2
Which of the following types of organic molecules is most abundant in a potato?
A.
Disaccharides
B.
Monosaccharides
C.
Glycogen
D.
Polysaccharides
Question #3
Rapid hydrolysis of triglycerides could cause a decreased pH and an increase in blood levels of ___________.
A.
lecithin
B.
LDLs
C.
trans fatty acids
D.
ketone bodies
Question #4
The bond between adjacent amino acids is a(n) __________.
A.
peptide bond
B.
amino bond
C.
peptide and covalent bond
D.
ionic bond
E.
covalent bond
Question #5
What type of reaction occurs during protein synthesis to produce the primary structure of a protein?
A.
Combustion
B.
Dehydration synthesis
C.
Ionic
D.
Hydrolysis
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.
Triglycerides, glycogen, fatty acids
B.
Glucose, fatty acids, triglycerides
C.
Glucose, triglycerides, amino acids
D.
Proteins, glucose, amino acids, fatty acids
Question #7
The general formula for all carbohydrates is ________.
A.
HnO
B.
CnH2nOn
C.
CnOn
D.
2CnHnOn
Question #8
Two monosaccharides can be joined in a covalent bond to form a(n) __________.
A.
oligosaccharide
B.
polysaccharide
C.
disaccharide
D.
glycosaccharide
Question #9
The major difference between starch, glycogen, and cellulose and their adjacent glucose subunits is the ________.
A.
type of chemical bonding
B.
type of sugars
C.
number of subunits
D.
addition of water
Question #10
The sequence of amino acids and the structure of a given protein is determined by ________.
A.
genetic information
B.
hydrophobic amino acids in the protein
C.
the formation of water molecules
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 carbonyl group in the other end
B.
a carboxyl group on one end of the molecule and an acetic acid group in the other end
C.
a carboxyl group on one end of the molecule and a phosphate group in the other end
D.
an amino group on one end of the molecule and a carboxyl group in the other end
Question #12
In which type of reaction are water molecules split off as peptide bonds are formed?
A.
Hydrolysis
B.
Glycolysis
C.
Dehydration synthesis
D.
Lipolysis
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.
peptide
C.
covalent
D.
ionic
Question #14
Three major types of RNA molecules that function in the cytoplasm of cells include ________.
A.
uRNA, tRNA, mRNA
B.
tRNA, uRNA, cRNA
C.
mRNA, tRNA, rRNA
D.
dRNA, rRNA, 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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