Are cells the basic unit of all living things true or false

2. given that most biochemical (other than coal) rocks react with hydrochloric acid, what does that tell you about organisms?

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.

What is the one part of the nucleotide  that differs among the other different nucle  tides?