for any activity such as running, jumping, or hunting, animals have to use energy obtained from food. what organelle performs a similar function within a cell to fuel cellular activities?

Acertain species of fish can have either long or short fins. the allele for long fins is dominant over the allele for short fins. a heterozygous, long-finned fish is crossed with a homozygous, short-finned fish. of the offspring, will have long fins and be , and will have short fins and be .