Viagra causes dilation of blood vessels and increased blood flow to the penis, facilitating erection. Viagra acts by inhibiting which of the following events?

TLS Online TPP Program

#Question id: 3856

#Unit 3. Fundamental Processes

In eukaryotes, the conserved element closest to the transcription start site is called the:

TLS Online TPP Program

#Question id: 3857

#Unit 3. Fundamental Processes

The CAAT box is usually located near the position:

TLS Online TPP Program

#Question id: 3858

#Unit 3. Fundamental Processes

The 5' methyl guanosine caps added during RNA chain elongation performs what function?

1. prevents degradation by nucleases 

2. are recognized by protein factors

3. are used to identify the type of RNA

TLS Online TPP Program

#Question id: 3859

#Unit 3. Fundamental Processes

Polyadenylation is:

TLS Online TPP Program

#Question id: 3860

#Unit 3. Fundamental Processes

Guide RNAs:

TLS Online TPP Program

#Question id: 3861

#Unit 3. Fundamental Processes

_ are sequences that are removed from primary transcripts, and _ are sequences that remain present in mature mRNA molecules.