They are not able to reproduce independently
They do not use energy for metabolism of any kind
<span>Their virulence is maintained by non-living cultures
Hope this helps. ^.^</span>
Because it determines if it is isolated or not. This means if other substances can enter or not. This usually relies on the membrane with it´s pores. The pores help the membrane be selectively permeable in what it lets in and out.
Through parents having intercourse, so the genes are passed on to generation to generation,
Answer: c
Explanation: because it helps by excreting
Glucose is the main provider of energy for the brain and the nervous system. Because the brain is so rich in nerve cells, or neurons, it is the most energy demanding organ, using one half of all the sugar energy in the body. Brain functions such as memory, thinking and learning are closely linked to glucose levels and how efficiently the brain uses this fuel source.
