How would producers that carry out chemosynthesis differ from photosynthetic producers is it possible food source

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

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 .

Q: a: in sexually reproducing animals, once fertilization of the egg takes place, the exists as a single cell until cell division begins