Learning Objectives - Photosynthesis and Dark Respiration

Understand the role of photosynthesis in plant dry wt. accumulation.

Understand the role of photosynthesis with other plant processes.

Understand the benefits animals derive from photosynthesis.

State the chemical equation illustrating the photoreduction of CO2 into sugar.

Understand the characteristics of solar radiation and its role in photosynthesis.

Understand the concepts of quantum yield and quantum requirement

Understand the concept of critical LAI.

Understand the efficiency of solar radiation use in photosynthesis and the factors that influence it.

Understand the action spectrum for photosynthesis in higher plants

Understand the cellular organization of photosynthesis.

Understand the structure and function of the light reactions of photosynthesis.

Know specific roles for Fe, S, Mg, and Cu in the light reactions of photosynthesis

Know how oxygen is generated photosynthesis

Understand chemiosmotic theory and the role of coupling factor in photosynthesis

Understand the role of carotenoids in photoprotection

Understand the three types of dark reactions of photosynthesis found in higher plants and how they function in CO2 fixation.

Compare the enzymes that are involved in the initial fixation of CO2.

Be able to describe Krantz anatomy and its significance

Know the approximate abundance of RuBP carboxylase and PEP carboxylase in leaves of higher plants

Understand why P is needed for carbon transport out of the chloroplast

Know where starch and sucrose are synthesized in photosynthetic tissues and factors that regulate their synthesis

Understand the chemical reactions that occur leading to photorespiration.

Know the organelles involved in photorespiration

Be able to discuss the function of photorespiration in higher plants

State the chemical equation illustrating the oxidation of carbohydrate via dark respiration.

Distinguish between aerobic and anaerobic respiration

Understand the location and function of glycolysis and the TCA cycle in dark respiration

Understand how dark respiration is categorized and why.

Understand the impact of environment on dark respiration rates.

Understand the magnitude of respiratory losses in plants.

Understand the cellular organization of dark respiration.

Understand the role of coupling factor in ATP synthesis in dark respiration

Understand the impact of dark respiration on plant growth.

Understand that dark respiration provides intermediates for a wide array of plant constituents (Fig. 11.10)

Understand why chloroplasts and mitochondria exhibit non-Mendelian inheritance.

Understand the importance of endosymbiosis in evolution of photosynthesis