1. 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   Hint Half-n-half Clue   2. A base sequence that is part of the DNA of an organism and appears to have once coded a gene product, such as a protein or transcription factor but no longer does so is called :   A jumping gene   An Oncogene   A pseudogene   A selfish gene   Half-n-half Clue   3. 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   cap   a Shine-Dalgarno sequence   the poly-A-tail   Half-n-half Clue   4. The switch of an operon is turned on if specific substance is not bound to the operator. This substance is called :   a repressor   a promoter   an operon   an activator   Half-n-half Clue   5. The base sequence of the RNA strand transcribed from a DNA strand of the sequence T-G-C-A-G-C-A-C-A is :   A-C-G-U-C-G-U-G-U   A-C-G-U-C-G-U-G-U   U-G-C-A-G-C-A-C-A   G-U-A-C-U-A-C-A-C   Half-n-half Clue   6. Due to the presence of Introns and Exons, in Eukaryotes the splicing process of pre-mRNA can lead to different ripe mRNA molecules and therefore to different proteins. This phenomenon is called :   intronic splicing   gene splicing   exonic splicing   alternative splicing   Half-n-half Clue   7. A guanine triphosphate nucleotide that binds to the 5' end of the mRNA thus increasing the stability of the synthesized RNA and enhancing translation efficiency is called a :   Cap   poly-A-tail   leader   trailer   Half-n-half Clue