WGU- C190 Intro to biology unit 4-
Metabolism UPDATED ACTUAL Exam
Questions and CORRECT Answers
photosynthesis - CORRECT ANSWER - Conversion of light energy from the sun into
oxygen.
cellular respiration - CORRECT ANSWER - the process of breaking down glucose into
simpler molecules, releasing some of the energy stored in the bonds, and converting it into
adenosine triphosate (ATP)
aerobic respiration - CORRECT ANSWER - requires oxygen
anaerobic respiration - CORRECT ANSWER - Does not use oxygen
Which types of molecules are useful for driving life processes in cells because they contain a lot
of energy stored in their chemical bonds? - CORRECT ANSWER - sugars and other
organic molecules, and ATP.
What is the ultimate source of almost all energy in the biosphere? - CORRECT
ANSWER - sunlight
what is ATP? - CORRECT ANSWER - ATP (adenosine triphosphate) is a molecule that
contains high-energy phosphate bonds, is present in all living cells, and provides energy for
many cellular activities.
What is the name of the organelle in a plant or algae cell that is mainly responsible for
photosynthesis? - CORRECT ANSWER - Cholroplast
, chloroplasts - CORRECT ANSWER - are organelles that consist of a double membrane,
similar to that of mitochondria
light dependent reaction - CORRECT ANSWER - occurs on the thylakoid membranes,
produces NADPH, and produces oxygen.
Calvin Cycle - CORRECT ANSWER - occurs in the stroma, uses ATP and carbon
dioxide, and produces sugars.
Where does the electron end up at the end of the light dependent reaction? - CORRECT
ANSWER - NADPH
What is the energy lost as the electron is being passed from one molecule to another in the light
dependent reaction? - CORRECT ANSWER - ATP is formed.
Energy used to power the light independent reaction is stored in which molecules? - CORRECT
ANSWER - ATP and NADPH
At the end of the calvin cycle, energy is stored in what molecue? - CORRECT ANSWER -
C6H12O6
Which reaction supplies the majority of ATP for aerobic organisms - CORRECT
ANSWER - Cellular respiration
which organelle in eukaryotic cells is used for cellular respiration? - CORRECT
ANSWER - Mitochondria
What is true for the production of ATP? - CORRECT ANSWER - Cells build ATP by
attaching a phosphate to ADP.
Metabolism UPDATED ACTUAL Exam
Questions and CORRECT Answers
photosynthesis - CORRECT ANSWER - Conversion of light energy from the sun into
oxygen.
cellular respiration - CORRECT ANSWER - the process of breaking down glucose into
simpler molecules, releasing some of the energy stored in the bonds, and converting it into
adenosine triphosate (ATP)
aerobic respiration - CORRECT ANSWER - requires oxygen
anaerobic respiration - CORRECT ANSWER - Does not use oxygen
Which types of molecules are useful for driving life processes in cells because they contain a lot
of energy stored in their chemical bonds? - CORRECT ANSWER - sugars and other
organic molecules, and ATP.
What is the ultimate source of almost all energy in the biosphere? - CORRECT
ANSWER - sunlight
what is ATP? - CORRECT ANSWER - ATP (adenosine triphosphate) is a molecule that
contains high-energy phosphate bonds, is present in all living cells, and provides energy for
many cellular activities.
What is the name of the organelle in a plant or algae cell that is mainly responsible for
photosynthesis? - CORRECT ANSWER - Cholroplast
, chloroplasts - CORRECT ANSWER - are organelles that consist of a double membrane,
similar to that of mitochondria
light dependent reaction - CORRECT ANSWER - occurs on the thylakoid membranes,
produces NADPH, and produces oxygen.
Calvin Cycle - CORRECT ANSWER - occurs in the stroma, uses ATP and carbon
dioxide, and produces sugars.
Where does the electron end up at the end of the light dependent reaction? - CORRECT
ANSWER - NADPH
What is the energy lost as the electron is being passed from one molecule to another in the light
dependent reaction? - CORRECT ANSWER - ATP is formed.
Energy used to power the light independent reaction is stored in which molecules? - CORRECT
ANSWER - ATP and NADPH
At the end of the calvin cycle, energy is stored in what molecue? - CORRECT ANSWER -
C6H12O6
Which reaction supplies the majority of ATP for aerobic organisms - CORRECT
ANSWER - Cellular respiration
which organelle in eukaryotic cells is used for cellular respiration? - CORRECT
ANSWER - Mitochondria
What is true for the production of ATP? - CORRECT ANSWER - Cells build ATP by
attaching a phosphate to ADP.
