Answer:
<u>A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together.</u>
Explanation:
This is a easy one! a promoter<span> is a region of DNA that initiates transcription of a particular gene. </span>Promoters<span> are located near the transcription start sites of genes, on the same strand and upstream on the DNA</span>
The facial bone that articulates with the temporal bone and is the only skull bone to allow movement is the parietal bone
Uterus suffer severe cramp during menstrual cycle of some women.IT is associated with pain.some women suffer severely enough to an extent they are unable to do daily activities.Growth in the womb such as fibroids can also be the source of pain
