What is the function of CRISPR-Cas9?

Explain in detail the correct procedure/protocol of the preferred method of bacterial Isolation.  – Include the method’s name and its importance to the goal of the FIVE I’s.         

What is the function of an operator in a bacterial operon?   

Which enzyme synthesizes the transcript during transcription?

Hamlet’s father was murdered by his brother. 

Suppose we have a random sample of size 10 from a normal distribution with mean 10 and standard deviation 3.  Denote the sample mean and sample variance as

What term describes a dormant viral state inside a host cell?

A random sample of size 64 is drawn from an exponential distribution with parameter=10.  See page 195 for the definition of the exponential distribution. Find the value of x such that the sample mean is smaller than x with a probability of 87.7%.   What you can get is an approximate answer based on some methods we learned in class.    

Why does DNA move through an electrophoresis gel?

An engineer has 15 red marbles and 15 purple marbles.   These marbles are well mixed and put into two boxes with equal numbers of marbles.  Now he randomly selects a box and takes out two marbles without replacement.  What is the probability of getting one purple marble?