举一反三
- Secondary active transport
- Active transport is characterized by ( ) A: Transport by carrier, no energy is required B: Through carrier transport, energy is required C: No carrier transport, no energy consumption D: Without carrier transport, energy is required
- K +由细胞内向细胞外转运,属于() A: Simple diffusion B: Facilitated diffusion C: Endocytosis D: Primary active transport E: Secondary active transport
- Na +由细胞内向细胞外转运,属于() A: Simple diffusion B: Facilitated diffusion C: Endocytosis D: Primary active transport E: Secondary active transport
- Transport by transporters can be either active or passive, whereas transport by channels is always passive. A: 正确 B: 错误
内容
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Solute movement by active transport can be distinguished from solute transport by equilibrating carrier mediated transport because active transport A: Is saturable at high solute concentration B: Is saturable at low solute concentration C: Is inhibited by other molecules with structures similar to that of the solute D: Moves the solute against its electrochemical gradient E: Allows movement of polar molecules
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When cells such as white blood cells of a vertebrate engulf bacteria, the membrane transport mechanism used is ( ). A: receptor-mediated endocytosis B: active transport C: passive transport D: Phagocytosis E: exocytosis
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葡萄糖进入红细胞膜是属于 A: active transport B: simple diffusion C: facilitated diffusion D: endocytosis
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Which of the following is the main way for Escherichia<br/>coli absorbs glucose?( ) A: Simple diffusion B: Facilitated diffusion C: Active transport D: Group translocation
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When a plasma membrane encloses small fluid droplets and takes them into the cell, a form of transport known as ( ) occurs. A: active diffusion B: receptor-mediated exocytosis C: Pinocytosis D: facilitated diffusion E: Phagocytosis