新型冠状病毒侵入人体最重要的结构是病毒外壳上的Spike 蛋白。（ ）

The recent ( ) in food prices around the world is because of rising energy costs. A: spear B: sphere C: plight D: spike

Golf is to course as______ . () A: hockey is to net B: football is to goal C: course is to basketball D: baseball is to diamond E: volleyball is to spike

非容纳细胞（）。 A: B: EnvElopE C: D: spikE E: F: nAkEDvirus G: H: hEliCAlsymmEtry I: J: non－pErmissivECEll

___ has "all or none" phenomenon. () A: The postsynaptic potential B: The end-plate potential C: The receptor potential D: The spike potential E: The generator potential

Spike Inc. is a sportswear manufacturer that recently launched its new line of customizable running shoes. The shoes come with a digital component that allows them to adapt to the runner's biomechanics. To promote this new product, Spike launches an advertising campaign and entices a famous athlete to endorse the product. This is an example of a ________. A: trade promotion B: reverse flow C: push strategy D: pull strategy

病毒中与细胞膜ACE2受体结合的是 ( ) A: Hemagglutinin-esterase dimer B: RNA and DNA protein C: Envelpoe D: Spike Glycoprotein （S）

新型冠状病毒进入细胞依靠的是哪个蛋白？（ ）[img=350x259]1802e308f5f2362.jpg[/img] A: Spike glycoprotein B: Envolope protein C: nonstructure protein D: Nucleoprotein

新型冠状病毒表面的刺突蛋白能与人体产生强结合的蛋白是:（ ） A: 白蛋白。 B: ACE2蛋白。 C: 血红蛋白。 D: 糖蛋白。 E: Spike蛋白。

新冠病毒COVID-19包膜表面有一种糖蛋白——S蛋白（Spike），它能够与细胞表面的ACE2蛋白结合，所以S蛋白是： A: 病毒吸附蛋白(VAP) B: 细胞受体(receptor) C: 辅助受体(co-receptor) D: 反受体(antireceptor)