Practice Questions

TLS Online TPP Program

#Question id: 3941

The 5S rRNA differs from the other cellular rRNAs in which of the following ways?

#XL - Q Biochemistry

The genes are located outside the nucleolus.
The genes are transcribed by RNA polymerase III.
The promoter region of the 5S rRNA gene is internal to the gene.
The genes are transcribed by RNA polymerase II.

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TLS Online TPP Program

#Question id: 14970

#XL - S Microbiology

A research lab is trying to produce new antibiotics. They come up with drugs that detach the hydrophilic heads from the phospholipids in plasma membranes. This drug

TLS Online TPP Program

#Question id: 14971

#XL - S Microbiology

Bacillus and Clostridium are medically relevant groups of bacteria that characteristically stain

TLS Online TPP Program

#Question id: 14972

#XL - S Microbiology

Although O side chains are readily recognized by host antibodies, gram negative bacteria may thwart host defenses by

TLS Online TPP Program

#Question id: 14977

#XL - S Microbiology

Careful electron microscopic studies often have shown the nucleoids are present in contact. Thus bacterial DNA is attached to

TLS Online TPP Program

#Question id: 14979

#XL - S Microbiology

Which is not true of mitochondria and chloroplasts?

TLS Online TPP Program

#Question id: 14980

#XL - S Microbiology

The membranes of eukaryotes and mycoplasma