Small RNAs can regulate gene expression by
A) binding target RNAs and inhibiting translation.
B) binding rho and preventing termination.
C) binding target promoter regions and preventing transcription.
D) binding target operator regions and preventing transcription.
A) binding target RNAs and inhibiting translation.
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What basal transcription factor is a helicase?
A. TFIID B. TFIIH C. TFIIF D. TFIIB
Which of the following are purines?
A) adenine and guanine B) adenine and thymine C) guanine and uracil D) guanine and cytosine
An adult patient has just received a diagnosis of brain cancer and is undergoing treatment. Based on what you know about cell division and cancer, why does this seem unusual?
What will be an ideal response?
Insulin does not enter a target cell but instead binds to a specific membrane receptor on the external surface of the membrane, thereby activating the enzyme adenylyl cyclase on the inner membrane surface:
What will be an ideal response?