The number of legs an insect has, the number of vertebrae in a vertebral column, or the number of joints in a digit (such as a finger) are all strongly influenced by

TLS Online TPP Program

#Question id: 3861

#XL - Q Biochemistry

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

TLS Online TPP Program

#Question id: 3862

#XL - Q Biochemistry

The largest gene characterized to date is:

TLS Online TPP Program

#Question id: 3863

#XL - Q Biochemistry

Introns in nuclear pre-mRNAs are excised by:

TLS Online TPP Program

#Question id: 3868

#XL - Q Biochemistry

The sigma factor of E. coli RNA polymerase: 

TLS Online TPP Program

#Question id: 3879

#XL - Q Biochemistry

Which of the following is not usually essential for the catalytic activity of ribozymes?

TLS Online TPP Program

#Question id: 3880

#XL - Q Biochemistry

Which one of the following properties of the L-19 IVS ribozyme is not shared with enzymes that are purely protein?