Answer:
Which practice can be categorized as a sustainable practice?
Any practices that supports continuity is termed as sustainable such as personal hygiene which enables to curb the ;persistence of infectious diseases. Ordinarily, practicing personal hygiene is sustainable and would greatly reduce infectious diseases globally especially endemic areas.
Explanation:
I would say B, as morality is knowing the difference between right and wrong, and I think A would be an ethical issue
Answer:
The Lock and Key mechanism refer to the action of enzyme. According to this mechanism as a specific key open a particular lock, similarly one enzyme can perform action on one specific substrate (substance).
If a boy exhibits a sex-linked trait that is carried on the X chromosomes, his mother carried at-least one allele for that trait.
The boy has a X chromosome inherited from his mother and he inherited Y chromosome from his father. So, his mother must carried at least one allele for that trait because he exhibits a sex linked trait that is carried on X chromosome.
