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The following table describes some aspects of the two main metabolic functions, photosynthesis and cellular respiration:

Comparing Photosynthesis and Cellular Respiration
Characteristic Photosynthesis Cellular Respiration
Location within cell
Light reactions = thylakoid membrane

Calvin cycle = stroma

Both happen in X of plant cells

Glycolysis = cytoplasm

Kreb’s cycle and electron transport chain = Y

Reactants
Carbon dioxide (CO2),

Water (H2O), and

Solar Energy

Glucose (C6H12O6) and

Oxygen (O2)

Products
Glucose (C6H12O6) and

Oxygen (O2)

Carbon dioxide (CO2),

Water (H2O), and

ATP

Which answer choice identifies the missing information from the table?

(1 point)
Responses

X = nucleus; Y = Golgi apparatus
X = nucleus; Y = Golgi apparatus

X = Golgi apparatus; Y = nucleus
X = Golgi apparatus; Y = nucleus

X = mitochondria; Y = chloroplasts
X = mitochondria; Y = chloroplasts

X = chloroplasts; Y = mitochondria

1 answer

The correct answer choice that identifies the missing information from the table is:

X = chloroplasts; Y = mitochondria

In plant cells:

  • Photosynthesis occurs in the chloroplasts (where both the light reactions and Calvin cycle take place).
  • Cellular respiration occurs in the mitochondria (where glycolysis occurs in the cytoplasm, and the Krebs cycle and electron transport chain take place in the mitochondria).