In the case of liquid droplets, including water, surface tension is the factor, which is accountable for their shapes and configuration. Though can easily be malformed, the droplets of water seem to be pulled into a spherical shape due to the cohesive forces of the surface layer.
In the non-existence of other forces, involving gravity, the drops of almost all the liquids would be almost spherical.
The most important characteristic of DNA replication is the DNA to FOLLOW THE BASE-PAIRING RULES.
Answer:
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Only the energy used for growth (33 J) is available to the next trophic level, because it is used to produce more biomass which can be consumed by the next trophic level.