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In chemistry, the term "turnover number" has two distinct meanings.. In enzymology, the turnover number (k cat) is defined as the limiting number of chemical conversions of substrate molecules per second that a single active site will execute for a given enzyme concentration [E T] for enzymes with two or more active sites. [1]
sq.feet sq.meter khetmuri 1: 1.877914952 37.55829904 751.1659808 25 400 1600 6400 136900 12718.42618 bigha 0.532505478 1: 20 400 13.31263696 213.0021914 852.0087655 3408.035062 72900 6772.631616 kattha 0.026625274 0.05 1: 20 0.665631848 10.65010957 42.60043828 170.4017531 3645 338.6315808 dhur 0.001331264 0.0025 0.05 1: 0.033281592 0.532505478 ...
The katal (symbol: kat) is that catalytic activity that will raise the rate of conversion by one mole per second in a specified assay system. [1] It is a unit of the International System of Units (SI) [1] used for quantifying the catalytic activity of enzymes (that is, measuring the enzymatic activity level in enzyme catalysis) and other catalysts.
In the field of biochemistry, the specificity constant (also called kinetic efficiency or /), is a measure of how efficiently an enzyme converts substrates into products.A comparison of specificity constants can also be used as a measure of the preference of an enzyme for different substrates (i.e., substrate specificity).
Kinetically perfect enzymes have a specificity constant, k cat /K m, on the order of 10 8 to 10 9 M −1 s −1.The rate of the enzyme-catalysed reaction is limited by diffusion and so the enzyme 'processes' the substrate well before it encounters another molecule.
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The enzyme unit, or international unit for enzyme (symbol U, sometimes also IU) is a unit of enzyme's catalytic activity. [1]1 U (μmol/min) is defined as the amount of the enzyme that catalyzes the conversion of one micro mole of substrate per minute under the specified conditions of the assay method.
In Assam, a bigha is 14,400 square feet (1,340 m 2) or 1,600 sq yard.One bigha is divided into 5 Katha. [2] [3] Each Katha consists of 20 Lessa.Hence each Katha is 2,880 square feet (268 m 2) in area, although this may vary within different regions of Assam. 4 bighas together are further termed as a Pura.