Which of the following statements is true?

a) viruses are bigger than bacteria.
b) viruses conduct cellular respiration like any other living organism.
c) viruses have both rna and dna.
d) viruses cannot be cultured on artificial laboratory media of any kind.

Can someone i have no idea of how to do this.

What condition is kept close to its set point in osmoregulation? a. body temperature b.platelet count c.blood glucose level d.water balance

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.