Refer to the figure showing the pathways of microRNAs and siRNAs. 
What is structure B and what is it composed of?
Definitions:
Competitive
Characterized by or showing a strong desire to be more successful than others in activities, sports, work, or any area of life.
Easygoing
Characterized by a relaxed, calm, and not easily upset or disturbed temperament.
Hostile
Showing or feeling opposition or dislike; aggressive.
Type A
A behavior pattern characterized by competitiveness, urgency, aggression, and impatience, which is associated with stress and heart disease.
Q32: Refer to the table showing results from
Q39: A hypothetical drug has a side effect
Q45: Which statement about metabolomics is false?<br>A) The
Q46: Methylated _ is particularly prone to mutation
Q48: If a mutation has a visible effect
Q113: Refer to the figure showing positive and
Q145: There are very few genes that encode
Q181: Which technology is used to examine the
Q217: A mutation of a sigma factor in
Q240: Changes in the tautomer state of nucleotides