Explanation:
why u want to know why u disturb ur mind by things which are already written in books
The desert
Hope this helps! :)
Is they are random changes I believe they should be mutations
Answer: feed-back
When the product of a metabolic pathway accumulates, it may be able to slow down or turn off the pathway by inhibiting the activity of an enzyme that catalyzes an early step in the pathway. This is referred to as feed-back inhibition.
Explanation:
Feed-back inhibition is said to occur when the final product of a biochemical pathway signal the inactivation of the starting materials of the pathway.
For example: when pyruvate signal the inactivation of phosphofructokinase, the glycolytic pathway gets turned off.
C. Less than 5% because technology had been formed and better perfomances to treated the infectious diaeas