Non-coding DNA can best be described as
A) 'junk' DNA that is of little or no value to the organism.
B) including stretches of DNA that may have an as yet undefined function for the organism.
C) DNA that is the promoter region for genes.
D) DNA that is composed of repetitive sequences of bases.
E) DNA that codes for factors that regulate gene expression.
Correct Answer:
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Q4: Genome density
A) relates to the number of
Q5: Genes are being discovered using cDNA. cDNA
Q6: A genetic map
A) describes the relative positions
Q7: Which of the following statements about DNA
Q8: The coding sequence of a gene is
Q10: Which of the following statements about chloroplast
Q11: Ribosomal DNA is
A) synthesised by ribosomes in
Q12: A 'jumping gene' is able to insert
Q13: To manufacture DNA, the cell needs a
Q14: The percentage of essential genes in a
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