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Higher Human 1.3

1.3- Gene Expression

QuestionAnswer
What is determined by proteins produced as the result of gene expression? Phenotype
What does the shape of a protein determine? functions
The three-dimensional shape of a protein is held together by? hydrogen bonds
Polypeptide chains fold to form the three-dimensional shape of a? Protein
Different proteins can be expressed from one gene, as a result of alternative RNA splicing
As each tRNA leaves the ribosome what is formed? polypeptide
What joins amino acids together? peptide bonds
What happens to the order of the exons during splicing? It is unchanged
What do we call coding regions of the primary transcript? exons
What do we call non coding regions of the primary transcript? introns
What process forms mature mRNA transcript? RNA splicing
What enzyme moves along DNA unwinding the double helix and breaking the hydrogen bonds between the bases? RNA polymerase
What type of RNA forms the ribosome? rRNA
What type of RNA has an anti-codon? tRNA
What does a triplet of bases on the mRNA molecule code for? amino acid
What is a triplet of bases on the mRNA molecule called? codon
Where does transcription take place? nucleus
Where does translation take place? Cytoplasm
What organelle translates the code into proteins? ribosomes
What type of RNA carries a copy of the DNA code from the nucleus to the ribosome? mRNA
What is the complementary base of Uracil? Adenine
In RNA what is the complementary base to Adenine? Uracil
What base is found in RNA and not DNA? Uracil
What sugar is found in a RNA nucleotide? ribose
What are the correct types of RNA involved in transcription + translation? mRNA, tRNA, rRNA
What processes are involved in gene expression? Transcription + Translation
Created by: mackas89
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