these two reactions are coupled.

Cellular energy metabolism features a series of redox reactions. Heterotrophs oxidize (take electrons from) organic molecules (food) and reduce (give them to) an electron carrier molecule, called NAD+ (in the oxidized form) that accepts electrons from food to become NADH (the reduced form). NADH then cycles back to NAD+ by giving electrons to (reducing) the first complex of the membrane electron transport chain. Thus NAD+/NADH is a key intermediary in shuttling electrons from food molecules to the electrons transport chain for respiration.

Cellular respiration: photosynthesis and cellular respiratio

Photosynthesis and cellular respiration What is a coupled reaction


Both animals and plants perform cellular respiration, but only plants perform photosynthesis.
What is the function of the electron transport change in light-dependent reactions of photosynthesis?
Produces ATP and NADPH which are necessary to fix CO2 in the Calvin Cycle.

Photosynthesis & Cellular Respiration - Biology Junction

This makes it very easy for prokaryotic cells that havethe genetic potential for growth on O2 or NO3- to switch back and forthas needed.13) For each set of redox pairs given below, decide which compoundwould be the energy source (electron donor), which would be the electronacceptor, and what are the end products of the reaction.

The energy resulting from cellular respiration can be used to drive the endergonic reactions of photosynthesis

PowToon - Photosynthesis and cellular respiration.

6CO2 + 6H2O + Light Energy = C6H12O6 + 6O
Cellular respiration allows organisms to use (release) energy stored in the chemical bonds of glucose (C6H12O6).

How are photosynthesis and cellular respiration related ..

3 environmental factors that affect the rate of photosynthesis
light intensity, carbon dioxide concentration and temperature.
What interactions exist between photosynthesis and cellular respiration?
The oxygen and water released by cellular respiration are used as reactants for photosynthesis.

What are the coupled stages of cellular respiration ..

An example is the formation of ATP, which is an endergonic process and is coupled to the dissipation of a proton gradient.
Photosynthesis is the process by which organisms that contain the pigment chlorophyll convert light energy into chemical energy which can be stored in the molecular bonds of organic molecules (e.g., sugars).

Before we get into any of the details, let’s start with the big picture concept of how cellular respiration works and what it accomplishes:

photosynthesis and cellular respiration?

The light-dependent reactions of photosynthesis in eukaryotes involve a series of
Evidence of student learning is a demonstrated understanding of each of the following:

Continue reading "Photosynthesis & Cellular Respiration" ..

Cellular Respiration and Photosynthesis ..

Oxidative phosphorylation synthesizes the bulk of a cell’s ATP during cellular respiration. A , in the form of a large proton concentration difference across the membrane, provides the energy for the membrane-localized (a molecular machine) to make ATP from ADP and inorganic phosphate (Pi). The proton gradient is generated by a series of oxidation-reduction reactions carried out by protein complexes that make up an electron transport chain in the membrane. The term oxidative phosphoryation, then, refers to phosphorylation of ADP to ATP coupled to oxidation-reduction reactions.

Which of the following is not true about the dark reactions of photosynthesis

ATP, Cellular Respiration, & Photosynthesis

Cellular respiration is therefore a process in which the energy in glucose is transferred to ATP.
C6H12O6 + 6O2 + 6H2O → 12H2O + 6 CO2 + 36 ATP
Cellular respiration and photosynthesis
working together (couple reaction)
Cellular respiration is an exergonic reaction, meaning that it releases energy.