Antibiotics bind to RNA polymerase and

A) act as base analogs
B) inhibit cell wall synthesis
C) disrupt cell membrane function
D) inhibit transcription


Ans: D) inhibit transcription

Biology & Microbiology

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Production of the iron-storing protein ferritin is regulated by aconitase, which binds to a 30-nucleotide sequence at the beginning of the ferritin mRNA and interferes with ribosome binding. Aconitase must be a  

A.  transcription repressor protein. B.  translation repressor protein. C.  RNA interference protein. D.  translation initiation protein. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? · What key words does the question contain and what do they mean? Gather Content · What do you already know about translational regulation? Consider Possibilities · Consider the different answer options. Which can you rule out? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?

Biology & Microbiology

What is the correct sequence of polypeptide transport in the secretory pathway?

a. plasma membrane ? Golgi bodies ? ER ? ribosome b. plasma membrane ? ER ? Golgi bodies ? ribosome c. ribosome ? Golgi bodies ? ER ? plasma membrane d. ribosome ? ER ? Golgi bodies ? plasma membrane e. Golgi bodies ? ribosomes ? ER ? plasma membrane

Biology & Microbiology

What is the channel protein

What will be an ideal response?

Biology & Microbiology

The homeotic gene KN-1 is expressed in the _______.

A. Phloem B. Schlerenchyma C. Apical meristems D. Sieve-tube elements E. Xylem

Biology & Microbiology