Which of the following antibiotics is recommended for use against gram-negative bacteria?
A) polyenes
B) bacitracin
C) cephalosporin
D) penicillin
E) polymyxin
E
Biology & Microbiology
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The operon segment composed of the gene that codes for a protein repressor is called the ________.
A. regulator B. structural locus C. operator D. promoter
Biology & Microbiology
All EXCEPT which of the following are protistan
parasites of humans? a. Trypanosoma b. Trichomonas c. Euglena d. Entamoeba e. Plasmodium
Biology & Microbiology
The poly(
A) tail of an mRNA A) helps transport the pre-mRNA to the cytoplasm. B) keeps the coding sequences from being degraded. C) is added without an RNA template. D) is important in initiation of translation. E) is removed from an mRNA after its maturation.
Biology & Microbiology
Why are there two fat feedback signals?
What will be an ideal response?
Biology & Microbiology