Gene Expression Crossword Puzzle

QUESTIONS LIST: allele: different forms of the same gene, mrna: single stranded nucleic acid, exons: coding regions that are not removed during splicing, thmyine: complimentary base pair for adenine on a dna strand, uracil: complimentary base pair for adenine on a rna strand, totipotent: type of embryonic stem cell that can differentiate into any type of cell, pluripotent: type of embryonic stem cell that can differentiate into almost any type of cell, but not plasma cells, multipotent: type of adult stem cell that can differentiate into a limited number of cells, unipotent: type of adult stem cell that can only differentiate into one type of cell, activators: transcription factors that stimulate gene expression, repressors: transcription factors that inhibit gene expression, promoter: the region on dna where the transcription factors bind, cytoplasm: transcription factors are produced here, insertion: a mutation that occurs when a nucleotide is randomly inserted into a dna sequence, deletion: a mutation that occurs when a nucleotide is randomly deleted from a dna sequence, silent: type of substitution mutation that does not alter the amino acid sequence, nonsense: type of substitution mutation that creates a premature stop codon, missense: type of substitution mutation that does alter a single amino acid.