The purines are:

adenine and guanine

cytosine and guanine

cytosine and thymine

ribose and deoxyribose

In a stage of the cell cycle, the cytoplasm of the cell divides to form two separate cells. Which stage of the cell cycle is being described? cytokinesis growth 1 growth 2 synthesis

What is the function of lateral meristem

In nucleotide excision repair, damaged dna is excised by what enzyme (s) ? in nucleotide excision repair, damaged dna is excised by what enzyme (s) ? ligase nuclease dna polymerases primase helicase

Which section of the skeleton includes the arm and leg bones?

What is the role of dna polymerase during dna synthesis?

How does respiratory system relate to respiration making ATP?

What is the largest group of reptiles that ever lived?

What best describes somatic mutations

Ben is an entomologist studying ant behavior. He wants to know whether ants are pollinators for a specific plant. In which stage of the plant's life cycle should he check whether a significant number of adult ants are acting as pollinators? A.

Why do living things use enzymes instead of heat as a source of activation energy? A: Adding heat does not affect how chemical reactions take place. B: Adding sufficient heat would harm or kill a living thing.