What is located on chromosomes and carry hereditary instructions?

The idea that all living things are made up of cells is considered scientific law. this means the idea is an emerging scientific idea that has a logical explanation. has been tested with similar results at least twice. is supported by scientific consensus and a large amount of evidence. has been rejected only once by the scientific community

Which of these is not a nucleotide base found in dna?

Why does the earth spin slowly, not faster? is it possible to prove it scientifically? can you prove it with math?