MicroRNAs are small noncoding RNAs that ____
A) ?enhance gene expression by activating mRNA expression
B) ?silence gene expression by binding to mRNA to inhibit translation
C) ?modify gene expression by replacing specific nucleotides in mRNA
D) ?mediate DNA production in a reverse direction
B
You might also like to view...
The maximal amount of energy that may be derived from exogenous carbohydrate is approximately ________ grams per minute.
A. 3-4 B. 2-3 C. 4-5 D. 1-2
Which of the following statements is true?
A. People with arteriosclerosis have a lower than average risk of developing hypertension. B. Arterial plaque causes the lining of the affected artery to become abnormally smooth. C. Arterial plaque can result in blocked blood vessels. D. Arteriosclerosis causes increased blood flow in arteries.
Any sugar except lactose can be fermented to carbon dioxide and alcohol by yeast organisms
Indicate whether the statement is true or false
The fat-soluble vitamin that is responsible for synthesis of blood-clotting factors by the liver is vitamin:
a. A. b. D. c. E. d. K.