<span>Most antibodies are proteins or are a mix of proteins and polysaccharides </span>
The answer is D, Rough endoplasmic reticulum.
Let's say a geographical barrier separates a species into two different population. Which also cause a reproductive isolation ( the two pupolations cannot interbred)
Throughout the time (lets say a million years), the two populations will undergo a lot of changes in their respective genomes and eventually will form 2 different species.
If there is no reproductive isolation, the 2 population could interbred with one another and there will be no speciation
Answer:
B. option A 2 daughter cells
C. option D metaphase
Unemployed men maybe the answer