7. Some oncogenes are mutants of normal cell-surface receptors that have tyrosine protein kinase motifs in their cytoplasmic domairs. The type of mutation of such a receptor that is most likely to result in cell transformation is a mutant protein with which of the following characteristics? A) Constitutive activation of cellular transcription B) Deletion of the cytoplasmic domain C) Failure to become phosphorylated upon receiving the signal D) Failure to receive the signal that normally activates cellular transcription E) Recognition of a different signal than usual
mazinger Forum Guru
Topics: 46 Posts: 916
02/24/06 - 07:31 PM
#2
a ___________________ Ultraseven X
mazinger Forum Guru
Topics: 46 Posts: 916
02/25/06 - 02:06 PM
#3
whats the answer? ___________________ Ultraseven X
