Answer:
Los materiales que se pueden imantar al estar cerca de un imán son los materiales Paramagnéticos, ya que en estos materiales los espines de los electrones se orientan en la misma dirección del campo magnético que le fue aplicado.
Answer:
The correct answer is (C) A flexible lipid double layer. The cell membrane is often referred to as a "fluid mosaic," a flexible structure
Explanation:
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After the macrophage fails the Helper T Cell stimulates the B cells (create antibodies) if pathogen is extracellular and Cytotoxic T Cells (killer T cells, release perforin) if pathogen is intracellular. Once the pathogen is killed the B Cells create Memory B Cells and the Killer T Cells create memory T Cells.
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Facilitated diffusion therefore allows polar and charged molecules, such as carbohydrates, amino acids, nucleosides, and ions, to cross the plasma membrane. Two classes of proteins that mediate facilitated diffusion are generally distinguished: carrier proteins and channel proteins.
Between every food chain from one animal to another there is 90% energy loss so if a herbivore eats a plant, it will only get 10 joules of energy. and if a carnivore eats the herbivore then it will only get 1 joules of energy. so in every food eaten, there is 90% energy loss.
