1. serves as the molecular basis for life.
2. DNA copies itself via the process of .
3. RNA is produced from DNA via the process of .
4. Proteins are produced from RNA via the process of .
5. There are five examples of a : A, G, C, T, and U.
6. One way that is different from DNA is that it contains Us instead of Ts.

a. seed plant structure. 1. the three main plant organs are roots, stems, and leaves. a fourth kind of tissue, meristematic tissue, is responsible for plant growth. meristematic tissue is the only plant tissue that produces new cells by mitosis. plants can lose water out of their leaves as they exchange gases with the air

explanation:

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air enters through the nose, moves through the nasal cavity, the pharynx, the larynx, enters the trachea, moves through the bronchi andbronchioles till the alveoli.