My guess is D. It’s between that and C. Put D though
True. A protein becomes functional only when it reaches its tertiary shape (3D). It is not necessary for the protein to reach the quaternary stage, but that is just a more complex functioning protein. It really is just two tertiary merged together. Example is red blood cells.
This is true , trees loose their leaves as a part of growth, also in seasons they loose leaves.
The charactistics that make it difficult for endangered species to rebound include;
- The habitat is significantly changed
- Over exploitation of the species
- Pollution that threatens the existence of the species
<h3>What are endangered species?</h3>
Endangered species are those species that are facing the threat of extinction sometimes owing to severe habitat loss or some other factors.
We must note that these characteristics that make it difficult for endangered species to rebound;
- The habitat is significantly changed
- Over exploitation of the species
- Pollution that threatens the existence of the species
Learn more about endangered species: brainly.com/question/12446045