Transcription is the process by which DNA is copied (transcribed) to mRNA, which carries the information needed for protein synthesis. Transcription takes place in two broad steps. First, pre-messenger RNA is formed, with the involvement of RNA polymerase enzymes.
D.mitochondria because animal cells also contain mitochondria
Cuanto pesa y mide el hueso frontal-> How much does the frontal bone weigh and measure?
This depends on whose frontal bone you are weighing and measuring. Please include a picture for reference next time if you want specific answers.
Answer:
You have found a limestone layer with numerous fossil corals, fossil sponges, and other fossils, little or no stratification, an absence of cross-bedding and ripple marks. In which environment was this limestone formed?
answer; an organic reef
Explanation:
An organic reef is a sedimentary rock structure of significant dimensions, erected by and composed almost exclusively of the remains of corals, algae, bryozoans, sponges and other sedentary or colonial organisms.
the number of molecules in a certain substance