a By definition, bacteria do not have a true nucleus. Their DNA is not enclosed by a nuclear membrane but instead is aggregated in a central area of the cell called the nucleoid. 由定义,细菌没有一个真实的中坚力量。 他们的脱氧核糖核酸没有由一个核膜在称nucleoid的细胞的一个中心地区附寄,反而...
Bacteria do not develop at a low temperature, so the food can be ___ in cold storage. A. accepted B. received C. preserved D. caught 相关知识点: 试题来源: 解析 C 句意:细菌在低温下不能繁衍,因此食物能够冷藏。preserve“爱惜,保留”,指安全地保留或贮存水果、蔬菜、蛋类等。accept“同意”...
Bacteria do not develop at a low temperature, so the food can be ___ in cold storage、 A. accepted B. received C. preserved D. caught 相关知识点: 试题来源: 解析 C 句意:细菌在低温下不能繁殖,因此食品可以冷藏。preserve“保护,保存",指安全地保存或储存水果、蔬菜、蛋类等.accept“接受”...
Point of View: It's Personal Plural and Possessive Names: A Guide What's the difference between 'fascism' and 'socialism'? More Commonly Misspelled Words Words You Always Have to Look Up Popular in Wordplay See All 8 Words with Fascinating Histories ...
[答案] A [解析]细节理解题。根据第一段中的“Bacteria are annoying problem for astronauts. The microorganisms form our bodies grow uncontrollably on surfaces of the International Space Station, so astronauts spend hours cleaning them up each week.”可知,细菌对宇航员来说是个令人讨厌的问题。这种来自...
Only transgenic rats colonized with defined bacterial cocktails which contained Bacteroides spp. had colitis and gastritis. Normal luminal bacteria predictably and uniformly induce chronic colonic, gastric and systemic inflammation in B27 transgenic F344 rats, but all bacterial species do not have equal ...
The microbiota is defined as the collective microbial community inhabiting a specific environment; for example, the gut. In contrast to the human gut where cellular density increases along its length, and the colonic microbiota is the densest and most diverse community in the gut, this may not ...
Bacteria do not develop at low temperature, so that food can be ___ in cold storage. A.deserved B.reserved C.preserved D.conserved
These results support the finding that the encounter of ST and HC does not involve biased motion towards HCs and results from a random process. All this indicates that the distribution of τ can be estimated as the first-passage time of the random chiral walker defined by Eq. (3), and ...
Thus, before using novel starter cultures or probiotic cultures it is important to check that they do not contain transferable resistance genes [97]. In addition, the selection of LAB starter cultures for sausage production must not have amino decarboxylase activity. Otherwise, biogenic amines will ...