Answer: A. When the two populations can no longer interbreed
Explanation:
Speciation is a process in which the members of the same population of a species get separated due to geographical, physical, behavioral, and temporal barriers. The separated members develop new traits and becomes a new species.
Among the given options, A. When the two populations can no longer interbreed is the correct option because if the members of the same population will longer interbreed they may experience reproductive isolation from the separated members and with the coarse of evolution they will develop traits which will be responsible for the development of new species. Hence, speciation will complete.
Answer:
If the DNA wasn't duplicated, one of the daughter cells wouldn't have DNA and die.
Explanation:
The cell would split into a cell that had DNA and would survive and a cell that wouldn't survive. The one that doesn't have DNA wouldn't be able to go through cellular functions. Why? The DNA needed to direct functions wouldn't be present.
Binding domain is a protein domain which binds to a specific atom or molecule, such as calcium or DNA. ... Upon binding, proteins may undergo a conformational change. Binding domains are essential for the function of many proteins.
Integumentary system: it is the most extensive system of the human body since it covers it completely. Its main functions are to separate, protect, and inform our body of the environment that surrounds us. Among its many functions are: It is the first immunological barrier that protects us from the external environment; It intervenes in avoiding drying out.Excresion: Through sweating waste is excreted and body temperature is reduced.Diagnostic Role: skin can present the symptoms of many diseases, which makes it possible to diagnose them.