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Biology, 21.06.2019 13:00
Which is it a characteristic of the animal kingdom? a. they include both vertebrates and invertebrates b. their skin is covered with hair or fur c. they are heterotrophs d. they are eukaryotic
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Which of these parts of the membrane large moecules pass through it ?
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1. which of the following transport mechanisms utilizes energy? a. osmosis b. diffusion c. facilitated diffusion d. endocytosis
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Amembrane that lines a cavity with an opening to the external environment is called a membrane. a....
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