A bactericidal substance is one that kills bacteria. There are three main types of bactericidal: disinfectants, antiseptics, and...
A.Why people hold back their tears.B.Why people cry.C.How to restrain one’s tears.D.How tears are produced.相关知识点: 试题来源: 解析 B [听力原文]14-17WhydowecryanyouimaginelifewithouttearsNotonlydotearskeepyoureyeslubricated,theyalsocontainasubstancethatkillscertainbacteriasotheycan’tinfectyou...
[听力原文]14-17 Why do we cry Can you imagine life without tears Not only do tears keep your eyes lubricated, they also contain a substance that kills certain bacteria so they cannot infect your eyes. Give up your tears, and you will lose this on-the-spot defense. Nobody wants to giv...
Sore-forming bacteria are destroyed by which type of method of sterilization? What are the most common symptoms of foodborne illness? a) How are fungal diseases called? b) What are the main human diseases caused by fungi? What is a substance that speeds up a chemical reaction without being ...
There’s a difference between sanitizing and disinfecting. Sanitization is less thorough, but it kills bacteria quickly. It’s often associated with the food industry, because of requirements dictating that food-contact surfaces be sanitized after use. However, dispatching germs quickly is...
How Chlorine Bleach Kills Germs To kill germs, sodium hypochlorite uses the same quality that makes it such a great stain remover — its power as an oxidizing agent. When sodium hypochlorite comes in contact with viruses, bacteria, mold or fungi, it oxidizes molecules in the cells of the ger...
What animal venom kills the fastest? Bacteria in its saliva make an extremely potent neurotoxin which paralyzes your muscles. And once that paralysis hits your diaphragm and rib muscles, you only have a few minutes before you suffocate to death. No, the fastest-acting venom on Earth belongs ...
straight away because of the HOCI but then the OCI kills bacteria later for example people who go into the swimming later. Also chlorine does not harm us humans but maybe you get some dry skin or hair. This is really effective because HOCI and OCI in the chlorine kills bacteria which ...
t help but think that animal fat/cholesterol was the substance that was blocking his blood flow. He a stent put in and is okay now, but do these raw veggies and fruits reverse this process or at least stop the buildup? Thanks ChrisWark October 2, 2013 Yesexcess animal protein...
A substance that kills germs and/or viruses. The scalpels were soaked in disinfectant before the operation so disease wouldn't be spread. Detergent Syn of cleansing. Disinfectant That which disinfects, especially an agent for killing or removing the microorganisms which cause infection. Commonly used...