Images removed due to copyright considerations. See the following: Figure 1 and Table 1 in Reed SI. 2003. Ratchets and clocks: The cell cycle nover ubiquitylation and protein turnover. Nat Rev. Mol. Cell Biol. 4: 855-864. Figure 1 in Bartek J, Lukas J. Mammalian G1-and S-phase checkpoints in response to DNA damage. Curr Opin Cell

Muscle cells But if in the same organIsm, should have the same DNA per Nerve cells( cell Different cells have different clusters of genes active Development and differentiation of embryos is controlled by signaling molecules that alter gene expression in cells

Electron Microscopy of replicating DNA reveals replicating bubbles. How does one prove bidirectional fork movement?

一、核苷酸 二、核酸的共价结构 三、DNA的高级结构 四、RNA的高级结构

细胞凋亡(apoptosis)是kerr于1972年首次提 出的。 细胞凋亡或细胞程序化死亡(programmed cell death,PCD)不同于坏死(necrosis) 具有典型的特征,包括胞质浓缩、染色质凝集、 染色体降解呈 DNA ladder、细胞膜出芽形成凋 亡小体(apoptosis bodies 被正常细胞或噬细胞清除,而不引发炎症

一、人类基因组计划 二、DNA的鸟枪法序列分析技术 三、比较基因组学及功能基因组研究

一、常见抗肿瘤药物对DNA作用的顺序特异性

一、真核生物的基因组 二、真核生物基因表达调控的特点和种类 三、真核生物DNA水平上的基因表达调控

Collaboration of Proteins at the Replication Fork Leading strand DNA polymerase lll Leadi ng strand template Lagging strand RNA primase template RNA primer

1. If you were to mix the bases of dNa with water, would you expect them to form co-planar hydrogen bonds, or stack on top of each other. What about in an organ ic solvent such as DMso (Hint, the answer is different in each case). Justify your answer