<span>The unifying principles of virology are: All viruses are made of a nucleic acid molecule in a protein coat, all viruses are incapable of replicating themselves and must infect a host cell to do so, and all viruses must have genomes that provide mechanisms for them to work.</span>
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A cardiologist is a physician who specializes in the treatment of diseases of the heart and blood vessels, which affect the cardiovascular system. A practitioner must complete four years of medical school and then six or eight years of internal medicine and specialist cardiology training to become a cardiologist.
Explanation:
- Eijiro <3
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Explanation:
nucleic acid is a polymeric macromolecule made up of repeated units of monomeric 'nucleotides' composed of a nitrogenous heterocyclic base which is either a purine or a pyrimidine, a pentose (five carbon) sugar (either ribose or 2′-deoxyribose), and one to three phosphate groups.
When a person is awake their brain is more alert and aware of it's surroundings. When a person is asleep their brain is slower at receiving and processing the sound waves.
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Answer:
When an object enters the Earth's atmosphere, it experiences a few forces, including gravity and drag. Gravity will naturally pull an object back to earth. ... This friction causes the object to experience drag, or air resistance, which slows the object down to a safer entry speed.
