50,880,000,000,000 in scientific notation

Which of the following statements is true? a. there are more chromosomes in an organism than there are genes. b. there are more genes in an organism that there are chemical bases. c. dna is made of sugar, phosphate, and carbon. d. genes are found in specific locations on a chromosome.

The idea of spontaneous generation was disproved by in a experiment involving jars of meat

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