The PCR amplification process most frequently employs an enzyme known as Taq DNA polymerase.
Taq Polymerase, or Taq DNA polymerase, is a biological catalyst that helps nucleotides join together to form DNA. Taq polymerase is a protein that is 832-amino acids long and has a molecular weight of 94 kilodaltons. It is a homolog of the Pol I DNA polymerase that is found in <em>Escherichia coli</em> (<em>E.coli</em>) (approx). This enzyme can withstand temperatures up to 95 degrees Celsius for 40 minutes before reaching its half-life. At the ideal temperature of 72 degrees Celsius, the rate of nucleotide incorporation ranges from two to four kilobases per minute.
Polymerase chain reaction operates at a very high temperature. At this temperature, Taq polymerase is able to carry out its function efficiently.
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An unprotected traveler's blood would boil at normal body temperatures because the pressure is so low. Temperatures in the mesophere decreases with altitude, because there are few gas molecules in the mesophere to absorb the sun's radiation, the heat source is the stratosphere below. The air in the mesophere has extremely low density and as a result the air pressure is very low.
<span> The highest ranked category or the highest taxonomic rank of organisms is a domain. Carl Woese designed three-domain system of taxonomy which includes Eukarya, Bacteria and Archea, and they differ in rRNA. The first includes all living organisms that have a nucleus and membrane-bound organelles and multicellular organisms. Other two are prokaryotic microorganisms or single-celled organisms whose cells have no nucleus. </span>
I think it’s a&c. I could be wrong, but at least try
Answer:
Implantation, gestation, and birth. Reproductive patterns in placental mammals are diverse, but in all cases a secretory phase is present in the uterine cycle, and the endometrium is maintained by secretions of progesterone from the corpus luteum.
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