Spores are the unit of sexual or asexual reproduction that form part of the life cycles of algae, fungi, bacteria, and various plants. They are adapted for survival and dispersal in unfavorable conditions. Flower seed is a typical example of spores....
Why is water, rather than alcohol sufficient for the destaining step in the endospore staining? Why did your pH results change over the course of the experiment? What is the difference between an acid and a base? Why is carrot orange in color?
答案：分为核心家庭、主干家庭、联合家庭、单亲家庭及其他（指一些不完全的家庭，如单身家庭、重组家庭、家庭等）。题型：简答题案例分析题【案例分析题】国家卫健委消息显示，2017年1月，中国人感染H7N9禽流感发病192例，死亡79人。H7N9的主要传播方式是人类主动接触患病的禽类。已报道某市有3例人感染H7N9...
S+A Petri dish when neither strain grew alone? E.coliE.coli is a Gram-negative bacteria that usually inhabits the intestine of humans. The early symptoms of E.coli infection appear as nausea, cramp, diarrhea, or vomiting that initiate after 3 t...