These cells have DNA in a region called the nucleoid.
-Some of these cells have structures like flagella and microvilli.
-These cells have cell walls made of polypeptides and polysaccharides.
Answer: The nucleas contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.
Founding population arrives, biogeographic isolation occurs, genetic changes
Answer:
a)- frontal lobe
Explanation:
Frontal lobe is present at front of each hemisphere and is the largest lobe in mammals. It controls cognitive skills in humans. These skills include judgement, language, emotional expression, problem solving, ability to communicate etc. Hence, it basically controls our personality.
After Zack's brain injury his personality changed. He became more critical and aggressive while earlier he used to be carefree and fun loving. Hence he has likely suffered damage to frontal lobe of his cortex.