The enzymes that catalyze the transfer of a phosphoryl group from ATP to an acceptor are known as kinases.
Enzymes are those proteins which accelerate the chemical reactions by acting as biological catalysts. They have high molecular weight and the molecules on which the enzymes act are known as substrates. They act at optimum pH and temperature.
Kinases are those enzymes which catalyze the transfer of phosphate groups from the high energy molecules like ATP which can donate phosphate to specific substrates. This process is called phosphorylation. Kinases belong to a family of enzymes called phosphotransferases.
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The correct option is B: MAJOR DIVISIONS IN THE SEDIMENTARY ROCK LAYERS.
Geologic time scale refers to a system of chronological dating which relates geological strata to time. Geologic time scale is used by scientists to describe the timing of the events that had occurred in the past, thus the scale divides the earth history into units of varying magnitude. There are four basic block of time, these are eons, eras, periods and epochs.
In determine geological time, rock records provide evidence of past geological events and life forms.
Charles Darwin developed the idea of natural selection after a five-year voyage to study plants, animals, and fossils in South America and on islands in the Pacific. In 1859, he brought the idea of natural selection to the attention of the world in his best-selling book, On the Origin of Species.
