Transcription, catalyzed by RNA polymerase, copies the genetic information from a DNA template into a complementary mRNA strand. Translation is protein synthesis.
Explanation:
Taq polymerase is a thermostable DNA polymerase enzyme isolated from the thermophilic bacterium Thermus aquaticus, found in hot springs. It is used in the Polymerase Chain Reaction (PCR) because it can withstand the high temperatures (around 94°C) required for the denaturation step of PCR without being destroyed, unlike normal DNA polymerases.
Explanation:
Habitat refers to the physical environment where an organism lives (address), whereas niche refers to its functional role in the ecosystem (profession), including interactions and resource use. Ecosystem is the community plus abiotic factors, biome is a large ecological area with similar climate and vegetation. A pond habitat can have various niches.
Explanation:
Vitamin A (Retinol) is essential for the formation of rhodopsin (visual purple), a pigment in the rod cells of the retina necessary for vision in low light conditions. Deficiency of Vitamin A leads to night blindness (nyctalopia), where a person has difficulty seeing in dim light. Severe deficiency can also cause xerophthalmia and complete blindness.
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