Which occurs during transcription? a. dna is copied to create a second dna strand. b. mrna codons and trna anticodons assemble amino acids. c. dna is unzipped with the aid of dna polymerase. d. mrna is synthesized from a strand of dna.

Why is a dominant allele called dominant

Compare the composition of the moon's surface with the composition of the earth's surface.

Which of the following is the best definition for the process of photosynthesis? a.) plants digest sugars to make energy. b.) plants use oxygen and glucose to make carbon dioxide. c.) plants use sunlight and carbon dioxide to make sugars. d.) plants use sunlight to make chlorophyll and chloroplasts.