What occurs to a dna strand as its genes are being used

What is used as a template during replication? a- mrna b- trna c- rrna d- dna

Which of these correctly describes the difference between processes that take place in prokaryotic and eukaryotic cells?

Put each tile to the correct location. categorize each term as something that is typical of a scientific theory, a scientific hypothesis, or both. 1) scientific theories 2) both 3) scientific hypothesis a). a tentative statement used to guide scientific investigations b). makes predictions about future events c). can be tested many independent researches d). based on observations of natural phenomena e) . a well-established highly reliable explanation