What is the structure of an hnRNP particle?
What will be an ideal response?
Ans: An hnRNP particle consists of heterogeneous nuclear RNA (hnRNA, a term for unprocessed mRNAs and nontranslated RNAs) with a series of core proteins arranged like beads on a string. The proteins may function in hnRNA packaging or transport.
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Which of the following hormones are most
closely related to the health problems of the poor?
a. aldosterone b. ADH c. cortisol d. glucagon e. thryroxin
__________ used x-ray diffraction to provide images of DNA
a. Watson and Crick b. Crick and Wilkins c. Franklin d. Franklin and Crick e. Watson and Wilkins
Thread-like pseudopods that can perform phagocytosis are generally characteristic of which group?
A) cercozoans B) gymnamoebas C) entamoebas D) amoeboid stage of cellular slime molds E) oomycetes
Many rod cells share one bipolar cell but cone cells do not. Certain cone cells synapse with only one ganglion cell. What are the consequences of this arrangement?
A. Rod cells distinguish more detail than cone cells. B. Rod cells distinguish color better than cone cells. C. Cone cells distinguish more detail than rod cells. D. Cone cells are better up close, while rod cells are better far away. E. Rod cells are better up close, while cone cells are better far away.