Small RNAs that regulate translation by binding to the leader region of mRNAs are called antisense RNAs.
Answer the following statement true (T) or false (F)
True
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Contrary to popular belief, stress is not usually the primary cause of ulcers, and many patients with ulcers do not over-produce acid. What Nobel prize-winning discovery demonstrated a previously unknown cause of ulcers?
A. greater acid concentrations in the stomach, lower esophagus, and duodenum B. the eroding effect of certain spicy foods on the lining of the esophagus C. the existence of a bacterial infection in the stomachs of most patients with ulcers D. genetically predetermined weakness in the walls of the intestinal tract
Under which circumstances does the zenk gene become active in zebra finches, and what is its effect?
What will be an ideal response?
In which of the following organisms would one expect to find flame cells?
a. grasshoppers b. rabbits c. planaria d. sea anemone
What term refers to the series of events that begins with an infection of one cell and ends with the release of progeny phages from broken or open cells?
a. the lysogenic cycle b. the lytic cycle c. the citric acid cycle d. the Krebs cycle