I have never heard of the four phases of research, but I know that the scientific method can be summarized in four steps.
1. Observe something in nature.
2. Make a hypothesis (prediction) based on that observation.
3. Design and undergo and experiment to test the validity of your hypothesis.
4. Draw a conclusion about your hypothesis based on the results of your experiment.
Answer:
7. Adenine (A), nitrogenous bases
8. cytosine
9. nucleotides
10. purine
11. double helix
12. genetic material
13. single-ring
14. double-ring
15. nucleic acids
16. chromosome
Hope this helps :)
P.S. plz ask if you need any clarification
Answer:
<em>B. Sucrose is chemically separated to form one molecule of glucose and one molecule of fructose</em>
Answer:
They break down excess or worn-out cell parts. They may; be used to destroy invading viruses and bacteria.
Explanation:
Brain-List?
Water's polarity makes it an excellent solvent for salts, like sodium chloride, as other substances required by cells to carry out metabolic processes.
