百度试题 题目The region between the outermembrane in___(革兰阴性)bacteria and the cell wall is called the ___(壁膜间隙)___.相关知识点: 试题来源: 解析 Gram-negative _periplasmic space 反馈 收藏
aThe majority of bacteria have a chemically complex external covering, terming the cell envelope, that lies outside of the cytoplasm. It is composed of two basic layers: the cell wall and the cell membrane. 多数细菌有化工复杂外在覆盖物,命名细胞信封,说谎在细胞质外面。 它由二基本的层组成: 细...
Cell components refer to the organelles that are enclosed in the cell structure. They are held in position by the cytoplasm. Some of the components found in the cell structure are the Golgi bodies, lysosomes ribosomes and the mitochondria....
Accumulation of DPG increases the anionic character of the cell membrane which is known to hinder the septation process. Consequently, the decrease in PG/DPG observed in stationary and in penicillin- or UV-inhibited non-dividing bacteria can be explained in this manner. On the other hand, the ...
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,...
a. Mesoderm b. Neuroglia c. Membrane d. Dendrite. Cell: All living organisms are made up of cells, which are the fundamental building components. There are billions of cells in the human body. They support the body's framewor...
These results prove that this compound has a cell membrane as its primary target and has an amphiphilic nature, which breaks the plasma membrane and alters its fluidity and integrity, mainly because of its role in ergosterol biosynthesis. In cell death assays, annexin V, which specifically binds...
What Defines a Cell? Figure 1: Transport proteins in the cell membrane A plasma membrane is permeable to specific molecules that a cell needs. Transport proteins in the cell membrane allow for selective passage of specific molecules from the external environment. Each transport protein is specific ...
The mucus plug is a thick clump of mucus that forms in your cervical canal and protects your uterus and your baby from bacteria and other sources of infection. The mucus plug usually falls out in the weeks before you give birth, as your body prepares for labor. It might fall out all at...
Bacterial cells undergoing lysis were also observed with SEM images, suggesting that the cell membrane integrity was altered. The possible trigger of this change could be related to cytoplasmic blebs, observed in SEM/TEM images. Staining with thiazole orange (TO) + PI has limitations and may...