Name the five nitrogenous bases, and put a checkmark in the correct column for each base. also indicate if the base is found in dna (d), rna (r), or both (b).

Which animal group is the largest and contains more species from all the other living groups combined? is it mammals or

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

What evidence supports the law of conservation of energy? a) mechanical energy is converted to chemical energy during photosynthesis. b) oxygen is made from the breakdown of carbon dioxide during photosynthesis. c)energy is absorbed by chlorophyll and becomes chemical energy during photosynthesis. d)the sun gives off light energy that is absorbed by plants.