Explain how evolution impacts the lives of all humans

In dna, only the_ varies from one nucleotide to another. base phosphate sugar amino acid

In terms of alternation of generations, the internal parts of the pollen grains of seed-producing plants are most similar to a ) moss sporophyteb) moss gametophyte bearing both male and female gametangiac) fern sporophyted) fern gametophyte bearing only antheridia

Study the diagram of a cell. which structure is found only in plant cells and functions in the process of photosynthesis? w x y z