1. A collection of genes including one which acts as a switch that governs the expression of the structural genes in the collection is called :   An Operon   lac operon   A regulon   Does everything have to have a name ? ? ! !   Hint Half-n-half Clue   2. The bacterial promotor sequence usually found at the -10 position (ten base pairs upstream of the transcription start site) is :   TTGACA   TATAAT   TAGACA   TATTAT   Half-n-half Clue   3. An RNA molecule that can catalyze either its own cleavage (self-splicing) or the cleavage of other RNA molecules is :   A ribozyme   A spliceosome   An inducer   A chaperone enzyme.   Half-n-half Clue   4. The process by which messenger RNA is synthesized by complementary base pairing of ribonucleotides with deoxyribonucleotides to match a section of DNA (a gene) is called :   Translation   Replication   Transcription   I have no idea ! !   Half-n-half Clue   5. A series of 20 to 200 Adenine ribonucleotides that is added to the 3' end of the transcribed RNA molecule (pre-mRNA) that helps in the transportation of mRNA out of the nucleus is called :   trailer   a Shine-Dalgarno sequence   the poly-A-tail   cap   Half-n-half Clue   6. A gene that encodes RNA that functions without being translated into a protein is called :   An RNA gene   AN Oncogene   A quiet gene   A pseudogene   Half-n-half Clue   7. Sections of DNA within a gene that do not encode part of the protein that the gene produces are called :   intein   Exons   Introns   Transposons   Half-n-half Clue