点击切换搜索课件文库搜索结果(581)
文档格式:PPT 文档大小:2.28MB 文档页数:305
一、 DEFINITION Fundamental metabolism: water metabolism, mineral nutrition ,photosynthesis, repiration Seed germination,growth, differentiation, flower ing, fertilization
文档格式:PPT 文档大小:254KB 文档页数:104
Classification of diabetes(ADA -1997) Type 1 .(beta-cell destruction, usually leading to absolute insulin deficiency) Autoimmune Idiopathic Type2 (may range from predominantly insulin resistance with relative insulin deficiency to a predominantly secretory defect with or without insulin resistance)
文档格式:PPT 文档大小:3.12MB 文档页数:30
Pili and fimbriae G short, fine, hairlike appendages that are not involved in motility Fimbriae/fimbria: 1000piece/cell, adhesion to host epithelium Sex pill/pilus: 1-10piece/celly sexual conjugation, they are genetically determined by sex factors or conjugative plasmids and are required for bacterial mating Receptors of some bacterial viruses
文档格式:PPT 文档大小:10.45MB 文档页数:38
细胞质膜( cytoplasmic membrane),又称质膜( plasma membrane)、细胞膜( cell membrane)或内膜( inner membrane ),是紧贴在细胞壁内侧、包围着细胞质的一层柔软、脆弱、富 有弹性的半透性薄膜,厚约7~8nm,由磷脂(占20%~30%)和蛋 白质(占50%~70%)组成
文档格式:PDF 文档大小:137.71KB 文档页数:6
Typical Length Scales in Biology IA lO microtubule DNA width width typical animal cell length of DNA in a chromosome
文档格式:PDF 文档大小:370.72KB 文档页数:14
Effect of laminar shear stress on cell alignment(Dewey eta.1981) Photos removed due to copyright considerations See Dewey, C F, et al. \The dynamic response of vascular endothelial cells to fluid shear stress J Biomech Eng 1981 Aug: 103 (3): 177-85 No flow
文档格式:DOC 文档大小:52KB 文档页数:8
一、英译中(Translate) 1.plasmodesma 2.co-transport 3. pressure flow theory 4. cytoplasmic pumping theory 5. microfibril 6. receiver cell
文档格式:PPT 文档大小:15.06MB 文档页数:48
11. 4. The nucleolus The most prominent substructure within the nucleus during interphase is the nucleolus. 100 years ago, one found a big spherical structure, called nucleolus within the nucleus, but up until 1960s, it was not identified that the nucleolus is a ribosome production factory designed to fulfill the need for large scale transcription and processing
文档格式:PDF 文档大小:172.87KB 文档页数:6
Many intracellular proteins are required to interact or bind to other macromolecules within a bind DNA. Such proteins often have conserved structural features, called motifs, whis at can cell in order to function properly. One class of such proteins is comprised of proteins tha interact with DNA. One such motif consists of two closely aligned a-helices(shown as cylinders below)that each have leucine-rich regions. This motif is referred to as a leucine
文档格式:PPT 文档大小:453.5KB 文档页数:13
Autopsy Biopsy Cytology Experimental studies In vitro: Tissue culture Organ culture Cell culture In vivo: Experimental animals Nude mice
首页上页1516171819202122下页末页
热门关键字
搜索一下,找到相关课件或文库资源 581 个  
©2008-现在 cucdc.com 高等教育资讯网 版权所有