The amount of energy needed to cause a chemical reaction to occur
The place on an enzyme where it binds with its substrate
Substance that starts or speeds up a chemical reaction, also known as an enzyme
A chemical reaction that results in a net release of energy
The molecule on which an enzyme acts
Two identical molecules that result from the splitting of glucose
Chemical reactions that involve the transfer of electrons from one atom or molecule to another.
The stage of cellular respiration that occurs in the presence of oxygen
Why are membranes essential components of aerobic respiration
Tiny packets of energy
First step or stage in cellular respiration
The process by which living things release the energy stored in food molecules
The process of breaking down pyruvates in the absence of oxygen to obtain energy
The slowing or stopping of an early reaction in a biochemical pathway when levels of the end product become high
How is catabolism different from anabolism
The sum of the chemical reactions in a cell.
The type of chemical reaction that requires a net input of energyThe type of chemical reaction that requires a net input of energy + ∆G
How are proton pumps used in cellular respiration How are proton pumps used in cellular respiration?
What is the primary role of oxygen in cellular respiration
When ATP is broken down to ADP and Pi When ATP is broken down to ADP and Pi, what is the ∆G
Hydrolysis of starch (a polysaccharide) will yieldHydrolysis of starch (a polysaccharide) will yield….
Products of Cellular Respiration
Three characteristics of enzymes
Reactants of Cellular Respiration
Biological Catalysts
ATP ADP + P + ?
Contains Three Phosphoric Acid Molecules, 1 Ribose Molecule, and 1 Adenine Molecule
Contains Two Phosphoric Acid Molecules, 1 Ribose Molecule, and 1 Adenine Molecule
What is energy coupling?
Where Cellular Respiration occurs (2 places in the cell)
Affected by temperature, acidity, and the amount of available substrate
A When ATP is produced using molecules and enzymes
Yeast cells undergoing fermentation will produce
Three main processes of Electron Transport
Oxidative Phosphorylation (chemiosmosis) is?
The Label the activation energy and the ∆G of the following reaction
Means “Splitting of Glucose”
When muscle cells do not receive enough oxygen this is formed
When fermentation occurs, what molecule is regenerated that keeps glycolysis working
What happens in the intermediate step
How many ATP’s can be formed from each: NADH and FADH2 in ETS
What is the maximum number of ATPs that can be produced in the overall process of oxidative respiration? Derive thisWhat is the maximum number of ATPs that can be produced in the overall process of oxidative respiration? Derive this.
Required for electron trasport (complexes embedded in the membrane that facilitate e- transfer) and pumping of H+ to produce a gradient that drives the synthesis of ATP through ATP synthase complexes embedded in the membrane 3 for NADH 2 for FADH from Glycolysis 2 from Krebs 30 from NADH 4 from FADH2 CatalystCytosol and mitochondria Active SiteExergonic or catabolic ATPPyruvateETSFinal e- acceptor Endergonic or anabolic Anabolic means to build up reactions and catabolic means to breakdown fermentation GlycolysisCellular Respiration e- transfer H+ pumping H’s fall down the gradient to produce ATP MetabolismUsed to make ATP When hydrolyis of ATP-> ADP + P is coupled to an endergonic reaction and vice versa ATP EnzymesReaction rate of an enzyme Glucose monomers -7 kcal/molCO2 + H20 (ATP) C6H12O6 + O2 H2O ADPReaction rate of an enzyme Ethanol Using oxygen as a final e- acceptor to form water helps to produce ATP by using a H+ gradient GlycolysisPyruvate + coA - acetyl CoA NADH, CO2 NAD+ Lactic AcidAE = hump Delta G = S-P Feedback inhibition Substrate level phosporylation Activation energy 38Oxidation- Reduction Or electron transport