B) Substitution of other materials and processes with more environmentally friendly materials and processes.
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.
Answer:
34 percent of the bases have to be thymine
Answer: Seral stage
Explanation:
The seral community commonly known as sere. It is an intermediate stage which is found during the ecological succession in an ecosystem.
This is an intermediate stage that comes before every stage of ecological succession advancing towards its climax community.
It starts with the pioneer species and keeps on evolving until climax community is attained.
Hence, the correct answer is option C