I think genetic mutation.
I can tell u what it means
Answer:
<u><em>The correct option is the presence of a specific hormone receptor.</em></u>
Explanation:
Every cell membrane contains certain cell surface receptors which detect an extracellular molecule and allow it to perform function inside that particular cell. The cell surface receptors receive and transmit signals.
For a specific hormone to function inside a particular cell, the cell must possess a specific hormone receptor embedded in the plasma membrane which will detect the hormone and allow it to function inside the cell.
1. C- abiotic factors are non living
2. C?- oxygen is the only one which is an input of photosynthesis