Enzyme kinetics
In biochemistry, enzymes are proteins that act as biological catalysts. Catalysis is the addition of a catalyst to a chemical reaction to speed up the pace of the reaction. Catalysis can be categorized as either homogeneous or heterogeneous, depending on whether the catalysts are distributed in the same phase as that of the reactants. Enzymes are an essential part of the cell because, without them, many organic processes would slow down and thus will affect the processes that are important for cell survival and sustenance.
Regulation of Enzymes
A substance that acts as a catalyst to regulate the reaction rate in the living organism's metabolic pathways without itself getting altered is an enzyme. Most of the biological reactions and metabolic pathways in the living systems are carried out by enzymes. They are specific for their works and work in particular conditions. It maintains the best possible rate of reaction in the most stable state. The enzymes have distinct properties as they can proceed with the reaction in any direction, their particular binding sites, pH specificity, temperature specificity required in very few amounts.
![Beans increase or decrease the turgidity of Pulvini cells to change the orientation of leaves. In order
to raise the leaf blades to a horizontal position (as in the right side of the picture) pulvini cells at the
junction between petiole and blade import sugar and potassium ions to increase their Yp from .30
Mpa to 0.67 Mpa. The pulvini cells are at equilibrium both before (leaf held more vertically) and after
(leaf held horizontally) moving with an interstitial fluid that is not under pressure and has an
unchanging osmotic potential of -3.31 Mpa.
What is the osmotic potential of the Pulvini cell when the leaf blade is horizontal?](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa6c5565a-787b-43d3-b23e-780453faf6da%2F15b74b33-2ac0-4526-ad8a-98093b764e90%2Fsewywn_processed.png&w=3840&q=75)
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Pulvinus
It is located at the base of the leaflets. Pulvinus sometimes also known as geniculum.
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