The Answer is A
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The turnover number (number of molecules the enzyme can act on per second) for lactase dehydrogenase is 1,000 lactate molecules per second.
In one minute, this becomes:
(1,000 molecules / second) * (60 seconds / minute)
= 60,000 molecules / minute
In 21 minutes, this will be:
60,000 * 21
= 1.26 x 10⁶ molecules of lactate
Answer:
0.4 * 10^-12 m
Explanation:
Frequency of the given Electromagnetic radiation is 7.50* 10^20 Hz
Speed of the electromagnetic radiation is 3*10^8 m/s
Hence wavelength is given by the formula: Speed/Frequency
Substituting the required values:
Wavelength = 3 * 10^8/7.50 * 10^20
=3/7.5 * 10^-12 = 0.4 * 10^-12 m
Hence the required wavelength of the electromagnetic radiation is 0.4*10^-12 m/s
Answer:
check out this website,it might help.
Explanation:
https://courses.lumenlearning.com/boundless-chemistry/chapter/physical-and-chemical-properties-of-matter/
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