Hydrogen bonding is a weak type of bond that occurs between two hydrogen atoms that are covalenty bonded to a very electronegative atom such as flourine, oxygen and nitrogen
If student’s data does not support her hypothesis, then the next MAJOR step would be to "<span>change the hypothesis" although more trials should be done first. </span>
Answer:
DNA
Explanation:
The nucleus is a central placed organelle in eukaryotic cells. It is said to contain the "blueprint of life" known as the DNA. The DNA is a structure located in the nucleus of the cell that encodes information necessary for the growth and development of the organism.
This information encoded by the deoxyribonucleic acid (DNA) of the cell includes how the organism will reproduce, hence, DNA is called the blueprint of life.
The answer is Deletion because one of the adenine in the sequence is deleted