Terms in this set (13)

What process occurs in structure H? Photosynthesis produces glucose and releases oxygen into the atmosphere.

What process occurs in Box B quizlet?

At box A, which is located in the cytosol, glucose turns into pyruvate with release of ATP and electrons carried by NADH. Pyruvate from this stage is used in a cycle in box B, which is located in the mitochondrion. As a result, ATP, CO2, and electrons carried by NADH and FADH2 are released.

Which step of the citric acid cycle requires both NAD+ and ADP as reactants?

Which step of the citric acid cycle requires both NAD+ and ADP as reactants? NADH. In oxidative phosphorylation, electrons are passed from one electron carrier to another.

In which reactions of cellular respiration does substrate level phosphorylation occur?

Substrate-‐level phosphorylation occurs in glycolysis and in the citric acid cycle (a part of cellular respiration).

Where does oxidative phosphorylation occur?

Most of the usable energy obtained from the breakdown of carbohydrates or fats is derived by oxidative phosphorylation, which takes place within mitochondria.

What is Kimi osmosis?

Chemiosmosis is the process of diffusion of ions (usually H+ ions, also known as protons) across a selectively permeable membrane. As in osmosis, chemiosmosis leads to a concentration gradient of the diffusing ion across the membrane. A concentration gradient is a form of potential energy that can do work.

What process occurs in Box B overview of cellular respiration?

What process occurs within Box B? The citric acid cycle transfers electrons to NADH and FADH2.

Where does glycolysis occur in a eukaryotic cell?

Glycolysis takes place in the cytoplasm. Within the mitochondrion, the citric acid cycle occurs in the mitochondrial matrix, and oxidative metabolism occurs at the internal folded mitochondrial membranes (cristae).

Which set of reactions uses h2o and produces 02?

The light-dependent reactions of photosynthesis use water and produce oxygen.

Which H+ ion has just passed through the inner mitochondrial membrane by diffusion?

Which H+ has just passed through the inner mitochondrial membrane by diffusion? an oxygen atom. You just studied 26 terms!

How do H+ ions make their way from the stroma to the thylakoid interior?

From photosystem II, the excited electron travels along a series of proteins. This electron transport system uses the energy from the electron to pump hydrogen ions into the interior of the thylakoid.

How are glycolysis TCA cycle and electron transport chain linked explain?

Solution. Glycolysis, TCA cycle and electron transport chain are linked in the following manner: The coenzymes are initially present in the form of NAD+ and FAD+ which latter get reduced to NADH+H+ and FADH+H+ by accepting the hydrogen from the organic substrate during glycolysis, link reaction, and Krebs cycle.

What is the process of phosphorylation?

Phosphorylation: A biochemical process that involves the addition of phosphate to an organic compound. Examples include the addition of phosphate to glucose to produce glucose monophosphate and the addition of phosphate to adenosine diphosphate (ADP) to form adenosine triphosphate (ATP).

What occurs in the reaction called phosphorylation?

Oxidative phosphorylation is the process where energy is harnessed through a series of protein complexes embedded in the inner-membrane of mitochondria (called the electron transport chain and ATP synthase) to create ATP.

What type of phosphorylation occurs in glycolysis?

Substrate-level phosphorylation occurs during glycolysis.

Which of the following processes or structures are involved with oxidative phosphorylation?

Oxidative phosphorylation is made up of two closely connected components: the electron transport chain and chemiosmosis. In the electron transport chain, electrons are passed from one molecule to another, and energy released in these electron transfers is used to form an electrochemical gradient.

Where does the H+ come from that makes ATP synthase work?

The electrons from from NADH and FADH2 flow through the electron transport chain in the inner mitochondrial membrane generating a H+ buildup in the inner membrane space. This proton gradient (gradient of H+) flowing through the membrane enzyme complex ATP synthetase is the direct energy source for producing ATP.

Does oxidative phosphorylation occur in glycolysis?

5; in Glycolysis, Fermentation and the Citric Acid Cycle tutorial). The majority of energy, at this point, is stored in the reduced electron carriers NADH and FADH2. They will be used in the final stage of cellular respiration, namely oxidative phosphorylation, which occurs in mitochondria.