The Vmax of the enzyme is 12 μmol⋅min−1
We use Michaelis-menten equation, which is given by;

Where v is velocity of reaction
Vmax = maximum rate achieved by the system
[S] = concentration of a substrate
K
= Michaelis constant
Given V
= 10
[S] = 5km
Now, we calculate Vmax:
10
= 
Km = 1


=12 μmol⋅min−1
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Answer:
An active transport requires energy, a passive transport does not.
That's all! Hope that helps :)
An example of this is to whether smoke cigarette or not. People smoke whenever they feel anxious with their activities but they were thinking that it is not a habit, but in the end, they will be used to it that is why they tend to forget how to live without smoking. This is the reason why they got addicted and to some serious problems with their health.
Answer:
A. The molecule to which a drug binds
Explanation:
Earth's history. In the worst one, 250 million years ago, 96 percent of marine species and 70 percent of land species died off. It took millions of years to recover.