A Small RNA Encoded by the Lin-4 Gene Was Found

question 19

Multiple Choice

A small RNA encoded by the lin-4 gene was found in the nematode C. elegans. It was nearly complementary to segments in ________. These small RNAs were able to bind to the complementary mRNA, blocking its translation, which apparently triggers a transition to the next developmental stage.

• A)the 3' untranslated region of specific mRNAs produced by the organism
• B)the 5' untranslated region of specific mRNAs produced by the organism
• C)the promoter of specific genes
• D)the poly(A)tail of specific mRNAs
• E)the 5'-methylguanosine cap of the mRNA

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Definitions:

Calcium

A chemical element essential for living organisms, particularly in cell physiology, where it signals for many cellular processes.

Bone Loss

The reduction in bone density and mass, often associated with conditions such as osteoporosis or with aging.

Estrogen

A group of steroid hormones that promote the development and maintenance of female characteristics of the body.

Testosterone

Male sex hormone that helps maintain sexual organs and secondary sex characteristics.