You look the way you look because of
a. the amount of guanine in your cells
b. the number of sugars in you cells
c. the sequence of nitrogen bases
d. the strength of your hydrogen bonds

the backbone of the double helix is made up of molecules and groups, and the two chains are joined together by hydrogen bonds between the

C
Because your DNA is made of nitrogen bases

Adenine
Guanine
Cytosine
Thymine

The scientific method is a series of steps followed by scientific investigators to answer specific questions about the natural world. it involves making observations, formulating a hypothesis, and conducting scientific experiments.the steps of the scientific method are •observation-the first step of the scientific method involves making an observation about something that interests you•question-once you've made your observation, you must formulate a question about what you have observed. •hypothesis-once you've made your observation, you must formulate a question about what you have observed. •experiment-once you've developed a hypothesis, you must design and conduct an experiment that will test it.•results-the results are where you report what happened in the experiment. •conclusion-the final step of the scientific method is developing a conclusion.i hope that this you : )