The difference is that thymine is replaced by Uralic in mRNA.
It will be able to target specific cells that need to be killed such as pathogens and not kill the entire organism.
Sucrase breaks down sucrose (or “table sugar”) into glucose and fructose, and lactase breaks down lactose (or “milk sugar”) into glucose and galactose. The monosaccharides (glucose) thus produced are absorbed and then can be used in metabolic pathways to harness energy.
Hope this help
The stratosphere is where the ozone layer is located.