Answer:
C. An organism that was brought to an area by humans many centuries ago
Answer:
B
Explanation:
Cats Dont have gills so rule out C. The body has to be the end so it would be B starting from Pillar cells to fish
Answer:
Interactions between cells always involve a structure known as a connexins.
Explanation:
Connexins is composed of specific type of protein called transmembrane proteins. This structure is responsible for the interaction between the cells. Cells communicate with each other by secreting specific chemicals in which information is present. These chemicals consist of neurotransmitter and harmones.
S phase is the period during which DNA replication occurs in mitosis.
