Exam 6: Where It Starts-Photosynthesis

While going for an autumn hike in the forest, you see some trees with green leaves and others with red, yellow, and orange colored leaves. What explains the difference in the leaf color in autumn?

-According to the accompanying diagram, the electron transfer chains of the light-dependent reactions are located in which plant structure(s)?

​For each molecule of CO₂ that enters the Calvin-Benson cycle, ____ NADPH molecules are reduced and ____ molecules of ATP are split into ADP and P_i.

The first event in photosynthesis is the ____.

The oxygen released during photosynthesis originates from ____.

Match each term to its most suitable description. -photorespiration

Four of the five molecules listed below take part in the light-independent reactions. Select the exception.

Match the process to the correct description. -carbon dioxide fixation

Four of the five items listed below are associated with light-dependent reactions. Select the exception.

Which enzyme catalyzes the process of carbon fixation?

Match each term to its most suitable description. -pigment

-In the accompanying figure, the reactions at letter B ____.?

The transport of ____ across the thylakoid membrane powers ATP production.

Match each process or structure with its correct location within the chloroplast. Some choices may be used more than once. -Calvin-Benson cycle

Which energy sources drive the light-dependent and light-independent reactions of photosynthesis?

Match the description to the correct photosynthetic pathway. -In this process, carbon is fixed twice: once in mesophyll cells and again in bundle sheath cells.

-In the accompanying figure, letter D denotes which photosynthetic product?

​Burning fossil fuels results in a net increase in the amount of CO₂ released into the atmosphere because ____.

-According to the accompanying diagram, in which plant cell structure do the light-independent reactions occur?

Match each term to its most suitable description. -autotroph