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In the 2010 U.S. Census, one of the questions asked was “How many people live in your household?”. The table below shows the probability distribution of this variable, X, which have values 1, 2, 3, 4, 5, 6, or 7.  X (Number of People) 1 2 3 4 5 6 7 P(X = x) ??? 0.336 0.158 0.137 0.063 0.024 0.015 What is the expected value for X?

A person undergoing treatment for cancer that loses _____________________ of body weight is considered to have cachexia.

Laryngeal cancer is diagnosed only by visually viewing the tumor with a laryngoscope.

The below drawing is a/an:    

In Eukaryotic genomes, the DNA of heterochromatin is less accessible than the DNA of euchromatin.

Match the screening method to the appropriate age/frequency.

Which of the following is NOT TRUE of B-form DNA?

A Harris Poll of 2300 U.S. adults surveyed online in April 2014 reports that 43% regularly watch television shows through streaming. Find a 95% confidence interval.

You are trying to perform a Sanger sequencing reaction on the template below (Black) using the primer in red, and for nucleotides you include ONLY the following in the reaction: dATP, dTTP, dGTP, and ddCTP.       Could the following product be produced during a sequencing reaction with the above conditions? 5’-GCATGCAGAGTAGATCTAG-3’    

A researcher in the lab prepares a pre-mRNA substrate in which the “branch point A” RNA nucleotide of an intron is replaced with a DNA nucleotide. This pre-mRNA substrate can no longer undergo splicing by the spliceosome.