The extremophile characteristic of the enzyme that makes it an essential component in a PCR reaction IS THAT IT IS HEAT STABLE AND CAN WITHSTAND HIGH TEMPERATURES. An extremophile refers to a living organism which can exist in an extreme environment, under high temperature and pressure.
Answer:
Oxygenic photosynthesis
Explanation:
The process of oxygenic photosynthesis in which organisms use atmospheric carbon dioxide and fix it in the presence of sunlight into the organic nutrients led to the transition of anaerobic conditions on the primitive earth into the aerobic ones.
The oxygenic photosynthesis uses a water molecule as an electron donor. The water molecule is oxidized and oxygen gas is released as a by-product. This process led to the accumulation of oxygen in the atmosphere of the primitive earth.
Phospholipids are essential for a humans well-being, it serves a major role in the function of the human body. Phospholipids are naturally produced in the human body and help maintain the cells by keeping them healthy.
The answer is C. thousands of galaxies
because<span> Hubble found 10,000 of galaxies just by observing one small little area in space.
So, it has to be thousands.</span>