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DNA REPLICATION: This is a gene strand of DNA. Using the base pairing rules, write down the sequence of the template strand. Access easy-to-understand explanations and practical examples on key biology topics, from cells to ecosystems. Learn at your own pace with bite-sized, verified content.
Determining the order of the nucleotides within a gene is known as DNA sequencing. The earliest DNA sequencing methods were time consuming, but a major breakthrough came in 1975 with the...
Explain why ORF scanning is a feasible way of identifying genes in a prokaryotic DNA sequence. 2. What modifications are introduced when ORF scanning is applied to a eukaryotic DNA sequence? 3. Describe how homology searching is used to locate genes in a DNA sequence and to assign possible functions to those genes. 4.
We need to consider six reading frames when considering the potential of DNA to encode protein (three frames for each strand). But only one strand is transcribed into RNA — the so-called coding strand. It would therefore seem to me that there are actually only three reading frames to consider. Why, then, do people refer to six?
8 lip 2009 · Genes are specific sequences of bases that encode instructions for how to make proteins. The DNA sequence is the particular side-by-side arrangement of bases along the DNA strand (e.g., ATTCCGGA). Each gene has a unique DNA sequence.
During gene expression, one continuous strand of genomic DNA is used as a template to produce a single-stranded RNA transcript. This process is called transcription. The sequence of this RNA transcript is identical to the nontemplate strand of genomic DNA (although RNA has a uracil in place of the thymine base).
27 gru 2023 · DNA can be isolated directly from living, dead, and even extinct species and the "primary" sequence of A, G, C, and T bases in the molecule determine. We can read (sequence), write (synthesize), and edit (mutate) DNA at will.
