What scientist discovered cells by observing cork with a homemade microscope

Explain two reasons you think it is important for scientists to search for new ways to treat cancer

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.

Which soil would most likely be found in the arctic? andisols gelisols histosols spodosols