虽然那些组成植物茎干纤维素和木质素的分子不能为酵母所消化,但是某些细菌和其他种类的真菌可以完成这项任务。
Although yeast cannot digest cellulose or lignin, the molecules that form a plant's skeleton, some bacteria and other species of fungi are able to do the job.
典型的噬菌体有存储它们病毒DNA的空心头部和带有尖端的隧道式尾巴,此尖端表面有它们的目标细菌的分子。
Typical phages have hollow heads that store their viral DNA and tunnel tails with tips that bind to specific molecules on the surface of their target bacteria.
细菌在识别分子上是天才。
Antibiotics are chemicals, usually small organic molecules that will kill micro-organisms like bacteria.
抗生素是一类化学物质,它们通常是小分子有机物,能够杀死细菌这样的微生物
应用推荐