Put the steps of enzyme activity in order from first to last using the drop down menu beside each step.
The chemical reaction occurs.
A substrate enters the active site of enzyme.
New substances called "products" are formed.
The enzyme and the substrate bind to form the enzyme-substrate complex.
DONE

a- all cells come from pre-existing cells

evidence and logical support is essential for a scientist to do in order to maintain credibility. this is because no one can believe without any logic and without any evidence.hence a scientist can maintain credibility by proving himself and by answering logically so experiments prove very beneficial. logical hypothesis give conclusion which is acceptable. therefore, there are two main factors to maintain credibility by a scientist is evidence and logical support.