BSC 1010 (Possible questions with complete answers)

_____ is when an organism has more than two complete sets of chromosomes. correct answers Polyploidy When part of the chromosome has flipped its ordinary order. correct answers Inversion Change in one base of DNA that creates a premature stop codon. correct answers Nonsense mutation Humans are _____ and have the XX-XY system of sex determination. correct answers mammals The _____ peptide binds to the _____ recognition particle to make sure that a ribosome that is making a protein destined to be made on rough ER gets to the RER. correct answers signal The _____ strand of DNA is made discontinuously. correct answers lagging Transcription occurs in the _____ of a eukaryotic cell. correct answers nucleus The genetic code has more codons than amino acids. correct answers degenerate This enzyme adds repeated units of DNA to the ends of chromosomes. correct answers Telomerase When the tRNA's anticodon binds to the mRNA's codon, it is called codon ____ correct answers recognition An organism that does not have a true set of chromosomes (one or more chromosomes have greater or lesser than normal number) is said to be __. correct answers aneuploid Process of making RNA from DNA. correct answers transcription Meselson-Stahl experiment with N14 and N15 proved that DNA replicates ______ -conservatively. correct answers semi A mutation that changes DNA sequence but does not change amino acid sequence. correct answers silent Part of tRNA that binds to the codon of mRNA. correct answers anticodon Codes for amino acid sequence in mRNA of eukaryotes. correct answers exon DNA has two strands (sugar phosphate backbones) that run in opposite direction is called __. correct answers anti-parallel Enzyme that unwinds DNA helix during replication. correct answers helicase