Bio 175 final Exam Questions and Answers
100% Correct
Energy that is directly involved in cellular work.
A. mechanical energy
B. chemical energy
C. electrical energy
D. radiant energy B
The primary structure of a protein is the
A. sequence of amino acids (polypeptide chain)
B. the way the proteins bends/folds in on itself
C. two dimensional folding of the amino acid chain
D. more than one polypeptide chain forms a complex A
Which of the following is true of the pH scale?
A. the greater the pH value of a substance then the more acidic it is
B. a pH of 0 means neutral
,C. it measures the concentration of hydrogen ions
D. it measures the concentration of hydroxyl ions C
Which of the following is NOT true of electron acceptors?
A. NAD and CO2 are examples
B. they will provide the energy to fuel the production of ATP
C. they are reduced in a redox reaction
D. they gain electrons from substances A
Catabolism is the breakdown of macromolecules
True
False True
Electrons are negatively charged.
True
False True
Anaerobic respiration does not yield as much energy as aerobic respiration
,True
False True
One of the functions of nucleic acid is
A. to be used for energy
B. to be used to build cell membranes
C. to encode our genetic information
D. to be used as a structural component C
The following statement best summarizes which kind of chemical bond?
Electrons are transferred from one atom to another
A. Van Der Waal
B. hydrogen
C. ionic
D. covalent C
Bacterial cell division to form two cells...
A. binary fission
, B. budding
C. mitosis
D. meiosis A
Steroids are kinds of
A. carbohydrates
B. nucleic acids
C. protein
D. lipids D
Prokaryotes evolved approximately...
A. 1.8 billion yrs ago
B. 3.5 billion yrs ago
C. 1000 yrs ago
D. 4 million yrs ago B
The word facultative means that an organism can tolerate certain conditions but does not require
them.
100% Correct
Energy that is directly involved in cellular work.
A. mechanical energy
B. chemical energy
C. electrical energy
D. radiant energy B
The primary structure of a protein is the
A. sequence of amino acids (polypeptide chain)
B. the way the proteins bends/folds in on itself
C. two dimensional folding of the amino acid chain
D. more than one polypeptide chain forms a complex A
Which of the following is true of the pH scale?
A. the greater the pH value of a substance then the more acidic it is
B. a pH of 0 means neutral
,C. it measures the concentration of hydrogen ions
D. it measures the concentration of hydroxyl ions C
Which of the following is NOT true of electron acceptors?
A. NAD and CO2 are examples
B. they will provide the energy to fuel the production of ATP
C. they are reduced in a redox reaction
D. they gain electrons from substances A
Catabolism is the breakdown of macromolecules
True
False True
Electrons are negatively charged.
True
False True
Anaerobic respiration does not yield as much energy as aerobic respiration
,True
False True
One of the functions of nucleic acid is
A. to be used for energy
B. to be used to build cell membranes
C. to encode our genetic information
D. to be used as a structural component C
The following statement best summarizes which kind of chemical bond?
Electrons are transferred from one atom to another
A. Van Der Waal
B. hydrogen
C. ionic
D. covalent C
Bacterial cell division to form two cells...
A. binary fission
, B. budding
C. mitosis
D. meiosis A
Steroids are kinds of
A. carbohydrates
B. nucleic acids
C. protein
D. lipids D
Prokaryotes evolved approximately...
A. 1.8 billion yrs ago
B. 3.5 billion yrs ago
C. 1000 yrs ago
D. 4 million yrs ago B
The word facultative means that an organism can tolerate certain conditions but does not require
them.
