The codon for the amino acid doubles as the start codon. frameshift mutations insert or delete nucleotides, shifting the of the mrna message. mutations, inherited from parents, are present in every cell in the offspring.

What are the characteristics of living things

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.

What is used as a template during replication? a- mrna b- trna c- rrna d- dna