Indigo has been used as a dye for almost five thousand years, but was not produced synthetically until about a hundred years ago. explain Why?​

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.

What is the correct trna sequence that would match the following mrna sequence. gcgaua

The cretaceous period spanned the time interval between and 65 million years ago. 250 million 144 million 75 million 200 million