Which biomolecule is vulnerable to permanent damage due to uv radiation?

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

Environmental differences within ecosystems are generally caused by

How do you know that the plant cells in these two images have different jobs, or functions? a. because all plant cells serve different functions b. because they are two different colors c. because their dna are different d. because their structures are different