Please answer fast ASAP I give brainliest 1)how many nucleotides can be observed in the image ?

2) why might nucleotides be know as the building blocks of DNA ?

3) what elements can be found in the structure of DNA if DNA is composed of nucleotides?

To maintain asepsis when administering an injection, all parts of the syringe can be handled except the:

When you run, you begin to breathe heavier and faster. your heart beats more quickly, bringing more oxygen to your cells. which organ systems are working together here?

What is the best conclusion based on this data? the hypothesis was not supported because the data indicated that fertilizing plants does not improve plant growth. the hypothesis was supported; to get the best growth, use 5 milliliters of fertilizer per plant. the hypothesis was not supported; the data indicated that too much fertilizer can inhibit plant growth. the hypothesis was supported; to get the best growth, use 15 milliliters of fertilizer per plant.