Catalysts lower the Activation energy for reactions. The lower the activation energy for a reaction,the faster the rate. Thus enzymes speed up reactions by lowering activation energy. Many enzymes change shape when substrate ms bind.
Answer:
the diagram shows the body structures that are similar though in different species due to common ancestry, this evidence is comparative anatomy.
The statement that is true of Oparin and Haldane's theory is : the primitive organic molecules were formed in an oxidizing atmosphere in the primordial soup
This is one of the theory that determined how life on earth developed. It was one of the most influental theory on the matter
hope this helps
A scientific model is a claim or a theory that helps explain how a phenomenon works or how it undergoes process. This models provides scientists an understanding of the object or a situation undergoes change and generate certain outcomes or effects.