Cellular respiration i believe
States of matter. thats the answer ma boiii
<u>Answer</u>: B) Cavalier-Smith's model no longer separates prokaryotes and eukaryotes.
Although the Cavalier-Smith's model has introduced several new changes to the kingdom model, it still separates the prokaryotes and eukaryotes into two separate empires (Prokaryota and Eukaryota).
The statement that describes the function of a catalyst is that it speeds up a chemical reaction (option D).
<h3>What is a catalyst?</h3>
A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.
A catalyst can also be said to speed up the rate at which a chemical reaction occurs by lowering the activation energy required for the reaction to start.
Therefore, the statement that describes the function of a catalyst is that it speeds up a chemical reaction.
Learn more about catalyst at: brainly.com/question/12260131
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