You want to create a function in Excel to allow you to quick…

You want to create a function in Excel to allow you to quickly calculate the speed of a sound wave.  The formula used to calculate this is as follows: Speed = Distance / Time In the space provided below, type the lines of code that are needed to define variables for this user-defined function.  Do not type anything else (don’t type the entire macro).  Assume the values used in this formula will be whole numbers.  (5 points)     

Chromatin structure can vary along the length of the chromos…

Chromatin structure can vary along the length of the chromosome. The diagram below illustrates two general structural types (I and II) that result from histone modification. Based on the illustration, answer each question below. Question Type_I Type_II Name each chromatin type What histone post-translational modification leads to its formation? In general, are genes expressed in this region of the chromosome? (yes or no)