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【多选题】
How do plant cells differ from animal cells in making use of receptors and signaling strategies?A.
Like animals, plants make extensive use of transmembrane cell-surface receptors—especially enzyme-coupled receptors to recognize the extracellular signal molecules that control their growth and development. The spindly weed Arabidopsis thaliana has hundreds of genes encoding receptor serine/threonine kinases.
B.
These are, however, structurally distinct from the receptor serine/threonine kinases found in animal cells .
C.
The plant receptors are thought to play an important part in a large variety of cell signaling processes, including those governing plant growth, development, and disease resistance.
D.
In contrast to animal cells, plant cells seem not to use RTKs, steroid-hormone-type nuclear receptors, or cyclic AMP, and they seem to use few GPCRs.
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皮皮学刷刷变学霸
举一反三
【单选题】为 成人 进行 肥皂液大量不保留灌肠 时,适合 的浓度及量是
A.
0.1% ～ 0.2% ， 500 ～ 1000ml
B.
0.2% ～ 0.5% ， 300 ～ 500ml
C.
1% ～ 2% ， 500 ～ 1000ml
D.
0.5% ， 500ml
【简答题】在证券交易所，证券买卖的价格是由证券交易所决定的。