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Which of the following is the best definition of a gene?
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15. Gene Expression
Introduction to Transcription
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Genetic information of eukaryotic cells is transferred from the nucleus to the cytoplasm in the form of __________.
A
proteins
B
carbohydrates
C
DNA
D
RNA
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Understand that in eukaryotic cells, genetic information is stored in the nucleus in the form of DNA.
Recognize that DNA cannot leave the nucleus, so it must be transcribed into a different molecule that can travel to the cytoplasm.
Learn that this molecule is RNA, specifically messenger RNA (mRNA), which carries the genetic code from the DNA to the ribosomes in the cytoplasm.
Note that during transcription, the DNA sequence is copied into a complementary RNA sequence.
Remember that once in the cytoplasm, the mRNA is translated into proteins by the ribosomes, completing the process of gene expression.
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