Which of the following can be used to distinguish one nucleotide from another? The shape of the deoxyribose sugar The shape of the deoxyribose sugar ,The type of fatty acid The type of fatty acid , The length of the phosphate group, The length of the phosphate group, or The nitrogenous base

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

How are the reproductive cycles of a fungus and a pteridophyte similar? a)both organisms form fruiting bodies that produce diploid seeds. b)both organisms produce haploid spores and exhibit diploid and haploid stages. c)both organisms reproduce sexually when two haploid hyphae fuse. d)both organisms exhibit a diploid stage and are only able to reproduce asexually.

What was darwins theory of common decent