In my research I figured out that it would be the 4th one
Answer:
c. A single enzyme typically reacts with many different substrates.
Explanation:
Enzymes are proteins that have catalytic activity and they are specific. This means that a single enzyme has only one specific substrate. They act as a "lock and key" complex, so one substrate activates to one enzyme.
Also, enzymes accelerate the rate of a reaction by lowering its activation energy. Finally, they can act in an aqueous environment, so the answer is c.
Answer:
Consumer and producer
Explanation:
Algae is a producer, making its own food with the sun. The fish is a consumer, consuming the algae for food.
I don't even know the answer sorry
2:1 would be the ratio of boys to girls