The use of a thermophilic DNA polymerase such as Taq polymerase prevents the denaturation of the enzyme during the heating that is important to separate the newly synthesized strand. So using this enzyme simplifies the PCR technique and increases its efficiency.
Taq DNA polymerase is highly efficient, when it reaches the optimum temperature, it becomes fully functional. It also has a half-life of over two hours (at 92°C), high amplification capacity, and it can add upto 150 nucleotides per second. It is "special" enzyme because it comes from the bacterium Thermus aquaticus, which lives in hot springs. It is therefore thermostable even at high temperatures, while other polymerases (e.g. E. coli) are not.
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All life is based on the chemical element cabon. It is essential to life.
Reef-building corals were
confined to relatively shallow depths because
many of these corals have microscopic algae
called zooxanthellae living inside their soft tissues.
These algae
are often important for the corals’ nutrition and
growth, but require sunlight for photosynthesis. There is no sunlight deep in the water.
Answer: option D) phylum
Explanation:
The linnaean system of classification from largest to smallest level is as follows:
Kingdom ---> phylum ---> class ---> order ---> family ---> genus ---> specie.
Since the phylum level consists of organisms with less similar characteristics compared to class, order and genus, we can safely say it has most organisms.
Thus, phylum is the answer.
Answer:
The part of the ridge near Iceland is the oldest, since it formed first. I belive this is the awnser
