You have isolated cells from an alien organism called Sacul Sinned ed. You want to know if these cells contain proteins that are similar to the cyclins found in eukaryotic cells. To this end, you

Question 1 Shown below are the structures of three amino acids

Indicate whether each of the following statements is true or false. If false, correct the statement or provide a brief explanation for why it is false ODNA replication is initiated at promoter sequences in the dNA ii)RNA polymerase requires primers to initiate RNA synthesis

Quiz 3 on Friday, November 12th 10-11 AM Review Session Wednesday 11/10 from 7-9 pm Tutoring Session Thurs. 11/11 from 4-6 pm Final Exam is on Monday, December 13th 9-noon

Instructors: Professor Eric Lander, Professor Robert A Weinberg, Dr. Claudette Garde Final Exam Practice Final Exam is on monday dECEMBER 13 9: 00 AM-12 NOON BRING PICTURE工D. Exam Review on Thursday, Dec 9(new material only

Bob, a student taking 7.012, looks at a long-standing puddle outside his dorm window Curious as to what was growing in the cloudy water, he takes a sample to his TA, Brad Student. He wanted to know whether the organisms in the sample were prokaryotic or eukaryotic

Please print out this problem set and record your answers on the printed copy. Answers to this problem set are to be turned in at the box outside by 4: 10 Wednesday, September 17. Problem sets will not be accepted late. Solutions will be posted on the web

一,填空题(记忆类) 令N表示一定量的气体的分子总数,dN表示 dN/表示 这个dN/N比率与 因素有关。 f(v)=表示 对于处于一定温度下的气体它只是 的函数,叫 做 确定了速率分布函数f(v)用积分法求出分布在任一有限速率范围内v~v2内的分子 数占总分子数的比例为= 速率分布函数的归一化条件为

一,选择题: 1.理想气体等压膨胀时,分子平均字有程与温度的关系为()

一、记忆题(20个) 1、写出下列热力学量的数量级及单位,N,洛喜密脱数,Trm=,k= 2、写出下列基本热力学量的数量级及单位:常温下分子运动平均速率的数量级 标准状态下气体分子的平均,原子或分子的线度d 及质量m