Proteins can denature at extreme temperatures, or denature when inhibits are present. When this happens their functionality is dramatically reduced.
Aerobic respiration to lactic acid fermentation, lactic acid is the reason your muscles get sore after a workout
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The correct answer is b.
The child is reaching for a toy which is not visible to him (hidden under a cloth), therefore, the child has a mental representation of the object in his/her mind. This action means that the child acknowledges that the objects continue to exist even when he/she can not hear or see them. This thought process is called object permanence and it is an ability acquired between the 4th and 7th month of a child's development.
A. It is a disease of people