Frederick Miescher first identified DNA.
DNA provides the instructions for protein production.
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Answer:
The plant body, shown here as a tomato plant, consists of the shoot system (leaves, buds, stems, flowers and fruits) and the root system (roots). Each organ is made up of cells organized into tissue systems: dermal, vascular and ground.
Explanation:
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Answer:
Skin serves as a protective barrier, a way to sense the world, and a layer that keeps nutrients and water inside the body. Four types of cells make up the skin, and they are produced mainly in the epidermis near the basement membrane. Keratinocytes contain structural keratin and make up the bulk of the epidermis.
B. Temperature. Soil consistence is defined as the material properties of the soil.
Answer:
2. lluvia, sequía, derretimiento de glaciares, aumento de la temporada etc
