How ca a blood cell and liver cell in the same person have the same genetic sequences, but perform very different functions?
A. different mutation occurs in each cell type, changing the genetic instructions.
B. each cell is controlled by operons and operators.
C. Different genes are activated in the Blood cell than in the liver cell.
D. Blood cells and liver cells contain different genes.

after receiving a stimus, the sensory receptors send(s) signals to the appropriate area of the body.  

the must be sensory neurons.  

hope its .

the diploid number of chromosomes is sometimes represented by the symbol 2n. for the fruit fly, the diploid number is 8, which can be written as 2n = 8, where n represents twice the number of chromosomes in a sperm or egg cell.

the animal that would be cutest if scaled down to the size of a cat? elephant