Evolution and natural selection are for C. The long term survival of an entire species of organisms. Organisms are better suited to live in a particular environment due to the transmission of specific genes from the parental generation to the offspring that can lead to these species evolving if much mutations are associated also with the passing down of specific alleles for respective genes that enable the organism to survive for a longer duration in its environment.
When boiling an enzyme, the chemical bonds that hold the enzyme together start to break down. this results in the enzyme to loss it's three-dimensional structure and casuses it to no longer fit their target substrate molecules, and the enzyme stops functioning.
D. Producer, packager, distributer, retailer
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Answer:
Lactose is more likely to be utilised by E. Coli than Arabinose because Lactose will yield more energy (ATP) and lactose breakdown will give glucose and galactose and these will enter into the glycolytic pathways to pyruvate for ATP generation until Arabinose which will undergo Pentose phosphate pathway and this does not produce enough energy.
Although nitrogen gas makes up 78% of the atmosphere, we can't use it because nitrogen atoms must be broken apart first before. This nitrogen is very much packed and bonded with its atoms and would be useless to use since it can't be used for plants.