首页
外语
计算机
考研
公务员
职业资格
财经
工程
司法
医学
专升本
自考
实用职业技能
登录
外语
Why does cream go bad faster than butter? Some researchers think that it comes down to the structure of the food, not its chemic
Why does cream go bad faster than butter? Some researchers think that it comes down to the structure of the food, not its chemic
admin
2010-05-09
50
问题
Why does cream go bad faster than butter? Some researchers think that it comes down to the structure of the food, not its chemical【B1】_______ --a finding that could help rid some processed foods of chemical preservatives.
Cream and butter contain much the same【B2】_______ , so why cream should sour much faster has been a【B3】_______ . Both are emulsions--tiny globules of one liquid evenly【B4】_______ throughout another. The difference lies in what’s in the globules and what’s in the surrounding. In cream, fatty globules drift about in a sea of water. In butter, globules of a watery【B5】_______ are locked away in a sea of fat. The bacteria which make the food go bad prefer to live in the watery regions of the【B6】_______ . This means that in cream, the bacteria are free to grow throughout the mixture. When the situation is【B7】_______ , the bacteria are locked away in【B8】_______ buried deep in the sea of fat.【B9】_______ . They also slowly poison themselves with their waste products.
In butter, there is a self-limiting system which stops the bacteria from growing.【B10】_______ . It is believed that it will be possible to make the emulsions used in salad cream, for instance, more like those in butter.【B11】_______ .
【B7】
选项
答案
reversed
解析
转载请注明原文地址:https://kaotiyun.com/show/GZOK777K
0
大学英语六级
相关试题推荐
A、Heisascientist.B、Heisasociologist.C、Heisanofficer.D、Heisaboss.BWhatshouldbetheman’sprofession?
What’speople’sresponsetoaneutralstimulus?Thepassagestatesthatbeforethebluesquareappeared,thepersoninthevide
InMedievalEnglandthetallesthorseswereriddenbypeopleofthehighestrankwho,fromtheirlofty(36)______,lookeddowno
WhilelisteningtoBush’speptalk,theRepublicans______.TheauthorcitedtheremarksofRayLaHoodtoimplythat______.
A、Theywereexpensive.B、Noonebelievesthem.C、Theywereunsuccessful.D、Theywereoftendeceptive.DWhatwastheproblemwith
A、Thosewhoknowhowtoprogramcomputers.B、Thosewhogetspecialaidfromtheirteachers.C、Thosewhoareveryhardworking.D、
TheNationalTrustis______.LordLothiansaidmostoftheancienthouseswere______.
A、Manysourcesofsurfacewaterhavebeenfound.B、Chemicalswerefoundinthewater.C、Agrowingpopulationneedmorecleanwat
Theevolutionofspeechmayhavebeenthemostimportantfactorofall.Whenearlymanmasteredtheloom(工具)oflanguage,hisp
随机试题
围堰施工应在()后实施。
食用植物油脂的碘值在国家标准中有严格规定,花生油碘值为()。
弘扬集体主义精神,就是从价值导向上引导人们坚持以()为重,坚持社会主义方向,全面推进建设有中国特色的社会主义伟大事业。
逻辑框架的逻辑关系分为()。
在不影响总工期的前提下,可以利用的机动时间在工程网络计划中称为()。
根据印花税法律制度的规定,下列各项按照“产权转移书据”税目征收印花税的是()。
【2013年四川泸州.多选】根据皮亚杰的认知发展阶段理论,处于具体运算阶段的儿童()。
酸雨是指pH值低于5.6的大气降水,包括雨、雪、露、霜,造成酸雨的主要原因是大气中的()。
设A,B为两个n阶矩阵,下列结论正确的是().
若函数z=z(x,y)由方程ex+2y+3z+xyz=1确定,则dz|(n)(0,0)=___________.
最新回复
(
0
)