BSC 108 Exam 2 Questions and Answers (2026) |
Comprehensive Review with Detailed
Rationales | A+ Verified
• How does carbon dioxide enter plants? -✓✓Through pores in the leaf called stomata
• TRUE OR FALSE: Photosynthesis occurs in chloroplasts -✓✓TRUE
• What is the structure of a chloroplast? -✓✓Stroma
Thylakoid membrane
Grana
Inner membrane
Outer membrane
• What is embedded in the inner thylakoid membrane? -✓✓Chlorophyll molecules
• What is the primary function of plant pigments? -✓✓To absorb solar energy
• Why are leaves green? -✓✓Chlorophyll molecules absorb violent-blue and red light
They reflect or transmit green-yellow light
• What are the processes of light dependent reactions? -✓✓Chlorophyll absorbs solar
energy and ejects an electron
This is passed down an electron transport chain
Water is split, releasing O2
• What are the requirements for light dependent reactions? -✓✓H2O
ADP
NADP+
• What are the products of light reactions? -✓✓O2
Energy-storing compounds ATP and NADH
• What are the requirements for the Calvin cycle reactions? -✓✓ATP
NADPH
CO2
Five-carbon sugar called RuBP
Enzyme Rubisco
• TRUE OR FALSE: Carbon dioxide is fixed during the Calvin cycle -✓✓TRUE
, • What is the product of the Calvin cycle? What can this be used to make? -
✓✓Glyceraldehyde-3-phosphate (G3P)
Glucose
• What is C4 photosynthesis an adaptation for? -✓✓Hot and dry weather
• What are two examples of a C4 plant? -✓✓Sugar cane
Corn
• What is photosynthesis? -✓✓The process that stores energy in the form of glucose
• What is cellular respiration? -✓✓The process that releases energy from glucose
• An oxidation reaction involves the ___ of electrons while a reduction reaction involves
the ___ of electrons -✓✓Loss
Gain
• During cellular respiration, glucose from food is converted to ____, releasing energy
that is used to produce ____. -✓✓CO2
ATP
• What is the general equation for photosynthesis? -✓✓water + carbon dioxide + light
energy --> glucose + oxygen
OR
6H2O + 6CO2 + light energy --> C6H12O6 + 6O2
• What is the overall molecular formula for cellular respiration? -✓✓glucose + oxygen -->
carbon dioxide + water + energy
OR
C6H12O6 + 6O2 --> 6H2O + 38ATP
• Which stage of cellular respiration requires oxygen? -✓✓The electron transport chain
• Where does cellular respiration take place in all eukaryotic organisms? -
✓✓Mitochondria
• What are the stages of cellular respiration? -✓✓Glycolysis
Citric acid cycle (Krebs)
Electron transport chain
• Glycolysis splits a moleclue of _____ into two molecules of ____, producing ____ and
_____. -✓✓Glucose
Pyruvate
Comprehensive Review with Detailed
Rationales | A+ Verified
• How does carbon dioxide enter plants? -✓✓Through pores in the leaf called stomata
• TRUE OR FALSE: Photosynthesis occurs in chloroplasts -✓✓TRUE
• What is the structure of a chloroplast? -✓✓Stroma
Thylakoid membrane
Grana
Inner membrane
Outer membrane
• What is embedded in the inner thylakoid membrane? -✓✓Chlorophyll molecules
• What is the primary function of plant pigments? -✓✓To absorb solar energy
• Why are leaves green? -✓✓Chlorophyll molecules absorb violent-blue and red light
They reflect or transmit green-yellow light
• What are the processes of light dependent reactions? -✓✓Chlorophyll absorbs solar
energy and ejects an electron
This is passed down an electron transport chain
Water is split, releasing O2
• What are the requirements for light dependent reactions? -✓✓H2O
ADP
NADP+
• What are the products of light reactions? -✓✓O2
Energy-storing compounds ATP and NADH
• What are the requirements for the Calvin cycle reactions? -✓✓ATP
NADPH
CO2
Five-carbon sugar called RuBP
Enzyme Rubisco
• TRUE OR FALSE: Carbon dioxide is fixed during the Calvin cycle -✓✓TRUE
, • What is the product of the Calvin cycle? What can this be used to make? -
✓✓Glyceraldehyde-3-phosphate (G3P)
Glucose
• What is C4 photosynthesis an adaptation for? -✓✓Hot and dry weather
• What are two examples of a C4 plant? -✓✓Sugar cane
Corn
• What is photosynthesis? -✓✓The process that stores energy in the form of glucose
• What is cellular respiration? -✓✓The process that releases energy from glucose
• An oxidation reaction involves the ___ of electrons while a reduction reaction involves
the ___ of electrons -✓✓Loss
Gain
• During cellular respiration, glucose from food is converted to ____, releasing energy
that is used to produce ____. -✓✓CO2
ATP
• What is the general equation for photosynthesis? -✓✓water + carbon dioxide + light
energy --> glucose + oxygen
OR
6H2O + 6CO2 + light energy --> C6H12O6 + 6O2
• What is the overall molecular formula for cellular respiration? -✓✓glucose + oxygen -->
carbon dioxide + water + energy
OR
C6H12O6 + 6O2 --> 6H2O + 38ATP
• Which stage of cellular respiration requires oxygen? -✓✓The electron transport chain
• Where does cellular respiration take place in all eukaryotic organisms? -
✓✓Mitochondria
• What are the stages of cellular respiration? -✓✓Glycolysis
Citric acid cycle (Krebs)
Electron transport chain
• Glycolysis splits a moleclue of _____ into two molecules of ____, producing ____ and
_____. -✓✓Glucose
Pyruvate
