Which of the following is true about transcription? both sides of DNA are copied in transcription

codons are composed of four amino acids

transcription begins at a start codon and ends at a stop codon

transcription requires DNA polymerase

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.

In 2001, records showed that local stocks of fish were down worldwide. yet, records of harvests indicated that fish were being taken at records rates. what was actually happening?

Is this mrna or rna need need the answer in a hurry