<span>1. O negative
2. O positive
3. A negative
4. A positive
5. B negative
6. B positive
7. AB negative
<span>8. AB positive</span></span>
Lower esophageal sphincter! <span />
DNA fingerprints help the police by providing the information needed to compare the DNA found at the crime scene to any documented DNA of any person through their data base to find the criminal.
Answer:
The four major types of biomolecules are carbohydrates, lipids, nucleic acids, and proteins. They are built from four types of sugar units—monosaccharides, disaccharides, oligosaccharides, and polysaccharides. Lipids, another key biomolecule of living organisms, fulfill a variety of roles, including serving as a source of stored energy and acting as chemical messengers.
Explanation: