Fig reproduction and fig wasps are a common example used.
However, you're looking for two organisms so predator and prey. This could be Coyote and Deer, Lion and Gazelle... You name it.
Answer: phosphate groups, guanine, and cytosine
Explanation:
To lower the activation energy of metabolic reactions/ to act as catalysts
<span>Contact lens solution is sterile when it is new in the bottle, but when opened it can become contaminated in a few days depending on conditions. The inside of a personal contact lens case is often very dirty.</span>
