ATP

G Protein Receptors

job: it cyclizes ATP into 3'5' cyclic AMP. This reaction involves the

release of the beta and gamma phosphates from the ATP and the linking of

stop making cAMP from ATP. The whole cycle has resulted in only a brief

Membrane Transport Problem Answers

mitochondrial proton gradient so the cell can no longer make ATP)

A sodium-potassium pump, powered by ATP, pumps three sodium ions

sodium ion that was pumped out with the use of ATP pushes the glucose

by an ATP-dependent transporter similar to the Na+/K+ pump. Ca++ inside

the cell could bind to the carrier protein. ATP could bind to the ATPase

subunit of the carrier protein. Hydrolysis of ATP to ADP and Pi triggers

cell for each 2 K+ in. (using ATP as an energy source to pump both these

Southerns, Northerns, Westerns, & Cloning: Molecular Searching Techniques

3) DNA polymerase is added along with dATP, dGTP, dTTP, and radioactive

Receptors

their substrates. Protein kinases take the gamma-phosphates from ATP and

Membrane Transport Mechanisms

invest energy, usually derived from ATP, to actively force ions from one side

ATP hydrolysis) at the membrane protein itself to cause a conformational

same time, with the expenditure of ATP.

module not yet titled

ATP as the "energy currency" of the cell

ATP formation in the chloroplast

Chemical Energetics

The reaction ATP + H20 --> ADP + H3P04 releases more energy.

the overall reaction: glucose + ATP --> glucose-6-P + ADP, which is

phosphate group that is trapped into the ATP molecule, which acts a

first step, aa + ATP --> AMP-aa + PPi (inorganic pyrophosphate), is

amino acid for making protein. Note that ATP was used in both the above

case, ATP donated another part of its molecule to an amino acid.

1.3 ATP and high-energy bonds

ATP

ATP is the most important of a group of compounds that have

In ATP, there are at least two binding places that have a tendency to

impulses? They use energy in the form of ATP to generate electric

conversion of glucose to lactic acid, which serves to produce ATP for

ATP or other substances with high group donor potential, but how it is

Substances like ATP, with high group donor potentials, have Delta Go for

of ATP in water,

ATP + H20 --> ADP + H3PO4 ,

every mole of ATP that disappears. Sometimes, ATP donates a phosphate

ATP + acetic acid --> ADP + acetyl phosphate

acids or to donate one of the acid groups.] When ATP donates a

glucose + ATP --> glucose-6-phosphate + ADP

Solving Chemical Equilibrium Problems

coupling it to the hydrolysis of ATP in a reaction catalyzed by the

250 micromolar. If the [ATP] were 3.38 mM and the [ADP] were 1.32 mM,

3.5 Solving Enzyme Kinetics Problems

negligible volume of highly concentrated ATP. Will CO2 gas be produced,

e) Nothing will happen. Since ATP is not a substrate of CA, the

{If ATP were a substrate of CA, then adding it to the reaction would change

Enzyme Biochemistry Chapter

1.3 ATP and High Energy Bonds