What unusual feature does RNA polymerase II have in transcription termination?
A.Uses a hairpin loop to identify where to stop
B.Stops at different places to make different lengths of proteins
C.Uses protein to help with termination
D.Transcribes over 1,000 nucleotides at the end of the RNA that are cleaved off
The type(s) of RNA that are directly involved in translation are which of the following. Select all that apply
A. mRNA
B. rRNA
C. siRNA
D. tRNA
Why so you think is it difficult to gain willingness for physician
support for responsible dispensation of antibiotics? What would responsible dispensation mean?
If every cell in the body gets the same DNA, how do the cells of an embryo make different structures and take on different roles? (Select all that apply.)
A. Different transcription factors are active in different cells.
B. Different transcription factors are encoded in the DNA.
C. Genes are spliced differently in different cells.
D. Translation is regulated so that different cells may make more of certain proteins.
E. Some cells lack ribosomes while others use them.
F. Cells delete a set of unused genes from their chromosomes.
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