chapter 4 section 4.5 copy

chapter 4 section 4.5 copy - Anita Badro SCI101 4.5 Nucleic...

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Anita Badro SCI101 4.5 Nucleic Acids and Protein Synthesis 20. The genetic code is ________. b. the correspondence between DNA triplet and amino acid 21. DNA information provides instructions for the cell to __________. a.manufacture carbohydrate molecules 22. Distinguish between a gene ,exome and a genome. The portion of a DNA molecule that contains the genetic information for making a particular protein is called a gene. The complete set of genetic instructions in a cell constitutes the genome. 23. Define gene expression. Gene expression refers to which proteins a cell produces and how many copies form under particular conditions. 24. If a DNA strand has the sequence ATGCGATCCGC then the sequence on the complementary strand is: ________. b. TACGCTAGGCG. 25. Explain why DNA replication is essential. In order for the newly formed daughter cells to function correctly, a complete copy of the DNA molecule is required during replication to ensure that metabolism and all cell functions can be carried out.
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