How might the production of antibiotics and odours have evolved?​

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.

Donde se encuentra el adn nuclear en un organismo eucariota?

Several billion years ago which gas was the least prevailant in the atmosphere