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.