Answer:
B. a sequence of DNA bases that duplicates a sequence of RNA bases.
Explanation:
Transcription is the first step in gene expression. It involves copying a gene's DNA sequence to make an RNA molecule.
B.
Deforestation affects ecosystems on land. there are no forests underwater
1. Replication
2. Hydrogen
3. Nucleotides
4. Thymine (T)
5. Cytosine (C)
6. Identical
7. Original
8. New
DNA isolation is a process of purification of DNA from sample using a combination of physical and chemical method while on the other hand, Polymerase chain reaction (PCR<span>) is a technique used in molecular biology to amplify a single copy or a few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence.</span>
Animal rights are important because animals at living creatures just like humans.