Hi! I can help you out.
RNA polymerase binds to regions of DNA called promoters, which are "start" signals for transcription
Answer: It can affect the baby because Listeriosis is caused by the bacteria in soil the name of it is Listeria monocytogenes. The disease can survive in soil for many months just like bacteria... Babies can become infected in utero or at birth.
B. Muscle cell, also known as myocytes, have more abundant mitochondria than the other cells listed. This is primarily due to the fact that sustained muscular contractions require massive amounts of cellular energy, transported throughout the cell within the phosphate bonds of Adenosine Tri-Phosphate (ATP) molecules. Mitochondria are the cells' organelles that produce ATP, giving them the nickname "energy powerhouses of the cell."
Cells because they are living things. Hope this helps! ;D