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What is conformational change?
Conformational change mean change in shape
What happens when enzymes unwind and change shape?
A conformational change or denaturation
What does a signal transmitted via phosphorylation of a series of proteins do?
They bring a conformational change to each protein.
Is conformational isomerism restricted only to carbon compounds?
conformational analysis of alkanes
A cell's use of these enzymes can therefore function as an on-off switch for various processes what is probably involved?
the change in a protein's charge leading to a conformational change
A drastic conformational change in protein in response to conditions such as extreme heat pH will lead to loss of a protein function this drastic change in shape is called?
denaturation
Do capillaries exchange fresh blood for old?
No, blood delievers oxygen from the lungs to the tissues of your body. In the process, a conformational change in the hemoglobin--oxygen carrying protein within blood cells--takes place as oxygen is released. This conformational change causes the change in color between arterial blood and venous blood. There is no "ageing" process in this manner. Blood is recycled periodically by a different process that is not directly linked to the process of capillary exchange
How allosteric enzymes differ non allosteric?
Allosteric enzymes have the ability to change their conformational ensemble after binding. This changes their affinity at a different ligand binding site.
Primary active transport involves a conformational change in the carrier protein The most immediate stimulus for this is?
phosphorylation (binding of the carrier protein to a phosphate group) within the cell
What unmasks troponin protein?
Ca 2+ ions released from the sarcomeres ER bind to troponin and force a conformational change that opens the way for myosin to bind to actin.
What enzyme is activated by cAMP?
protein kinase
What is bound to the G protein in the inactive state?
GDP. Guanine diphosphate. Then the protein is phosphorylated and undergoes a conformational change in concert with its docking with the G protein linked receptor.
