Stupid Bio Shit exam 2

What enzyme helps bacteriophages penetrate cells?

Lysozyme

The recipient cell initiates cell to cell contact in gram negtive conjugation (T/F)

False

R plasmids can be transferred via conjugation (T/F)

True

HIV enters a cell via endocytosis (T/F)

False (enters via fusion)

What is the first step in the lytic cycle?

Attachment

Both bacteriophages and naked animal viruses can leave a cell via lysis (T/F)

True

Which cycle incorporates phage DNA into host DNA?

Lysogenic cycle

Poliovirus is a negative strand DNA virus (T/F)

False

Which type of virus infects bacteria?

Bacteriophages

What is a prophage?

Viral DNA in host DNA

HIV is classified as a postiive strand RNA virus (T/F)

False (Retrovirus)

Which prescription is a non-nucleoside reverse transcriptase inhibitor?

Nevirapine

The process of transformation could include the uptake of plasmid DNA (T/F)

True

What does reverse transcriptase do?

Converts RNA to DNA

In general, plasmids are essential for survival (T/F)

False

Rabies virus enters a cell with VPg (T/F)

False (only poliovirus)

R plasmids contain transfer genes

True

HIV enters a cell with RNA replicase, integrase and protease (T/F)

False (remove RNA replicase and replace with reverse transcriptase)

Positive strand RNA viruses must FIRST undergo translation (prior to transcription) (T/F)

True

Episomes can include F or R plasmids (T/F)

True

What is phage conversion?

New properties from virus

The upregulation of transfer genes can result in the production of aggregation proteins in gram positive donor cells (T/F)

True

Viruses can replicate independently (using all viral machinery) (T/F)

False

Rabies virus can infect nerve cells (T/F)

True