All of the following are true facts about enzymes EXCEPT A)
all living cells have enzymes.
B)
Life would not be possible without enzymes.
C)
enzymes can speed chemical reactions by 100s to billions of times.
D)
there are a few types of enzymes, but they each perform many types of
reactions.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.

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