Which of the following statements about RNA interference (or RNAi) is false?
(a) RNAi is a natural mechanism used to regulate genes.
(b) During the process of RNAi, hybridization of a small RNA molecule with the mRNA degrades the mRNA.
(c) Because RNAi depends on the introduction of a double-stranded RNA into a cell or an organism, it is not a process that can cause heritable changes in gene expression.
(d) In C. elegans, RNAi can be introduced into the animals by feeding them with bacteria that produce the inhibitory RNA molecules.
(c)
You might also like to view...
All of the following diseases can be transmitted by drinking contaminated water except ________.
A. cyclosporiasis B. Campylobacter C. giardiasis D. trichinosis E. cryptosporidiosis
Primary protein structure is dependent upon ____
a. hydrophobic interactions b. hydrogen bonds between two amino acids c. covalent linkages between carbons and nitrogens of adjacent amino acids d. covalent linkages between carbons and oxygens of adjacent amino acids e. covalent linkages between the polypeptide and sugars or lipids
What is the overall purpose of the light reactions in photosynthesis?
What will be an ideal response?
Graft rejection can be reduced by
A. preventing B cell activation. B. antiphagocytic factors. C. stimulating B cells. D. preventing T cell proliferation. E. suppressing macrophage activity.