Question

A sample of carbon-14 is contained in a thin aluminum container of thickness 0.2 mm. Radiation from the sample is detected outside the container. When the thickness of the aluminum is increased to 6 mm, no radiation from the sample is detected outside the container.
(i) State the type of radiation which is stopped by increasing the thickness of the aluminum.(1)
(ii) Explain how you know that the sample does not emit one other type of radiation.​

Answer 1

Explanation:

Nicotinamide adenine dinucleotide phosphate, abbreviated NADP⁺ or, in older notation, TPN, is a cofactor used in anabolic reactions, such as the Calvin cycle and lipid and nucleic acid syntheses, which require NADPH as a reducing agent. It is used by all forms of cellular life. NADPH is the reduced form of NADP⁺ plzzz