You measure the melting temperature of two DNA samples, X and Y, of identical length but unknown base-compositions. You find the Tm of X is 60 and the Tm of Y is 50. Which of the following statements about their base-composition is true:

All of the following are TRUE about CRISPR/Cas9 EXCEPT:

A region of DNA is shown below. The coding strand is highlighted in red and the template strand in black:       When transcribed by RNA polymerase, the resulting mRNA sequence would be:

Which of the following is NOT TRUE of homologous recombination?  

Which of the following is TRUE about group II self-splicing introns?  

Name this muscle. Be specific.  (***Reminder: do NOT use special characters like – or , )

A cell, that has already initiated genome replication at all of its ORI sites, is treated with a drug that stops the activity of the enzyme Primase. This will stall replication of the leading strand.

The functional tissue of the breast is termed the parenchyma, mammary, or glandular tissue.

The ribosome is a macromolecular machine that is composed entirely of protein.

Sonographically, fat appears _________________________ than the glandular tissue of the breast.