How many nucleotides define one codon for one amino acid? If a DNA sequence is TCCGAATGC, what is its complimentary DNA strand and RNA strand? What is the DNA structure of eukaryotic cells? Suppose a 100-base-pair, double-stranded DNA molecule consists of 23% cytosine bases. How many tot...
How many moles of leucine is required daily?What is the sequence of the three bases in mRNA that specifies an amino acid called?Which amino acids can be phosphorylated and what is common to their structure?How many different fragments of DNA containing only two pa...
Shared intron position was highly predictive of sequence similarity in the case of CeHD-5 and -7 and in the case of CeHD-9,-13, and -22. The library is currently being exhaustively screened, and the genes are being mapped to the Cambridge YAC polytene grids (many thanks to Alan Coulson...
In order to provide a sequence, Sanger sequencing makes use of chemical analogs of the nucleotide bases. The analogs, called dideoxyribonucleotides (ddNTPs), are missing the hydroxyl group that is required for extension of a DNA polynucleotide chain....
To determine how many base pairs in the gene are needed to code for the enzyme lysozyme, which contains 129 amino acids, we can follow these steps: Step 1: Understand the coding relationship between amino acids and base pairs.- Each amino acid is coded by a sequence of three nucleotide b...
How many genes does the Human Genome contain? The Human Genome Project has revealed that there are probably about 20,000-25,000 'haploid' protein coding genes. The completed human sequence can now identify their locations. But only about 1.5% of the genome codes for proteins, while the rest...
DNA is so important that the United States government has spent enormous amounts of money to sequence DNA in the human genome in hopes of understanding and finding cures for many genetic diseases. Finally, from the DNA of one cell, we can clone an animal, a plant or perhaps even a human...
Data, 0 or 1, was represented by a short piece of single-stranded DNA, called an oligonucleotide, that contained a series of bases: adenine, thymine, guanine and cytosine. (In nature, the sequence of bases codes for a gene.) For example, two inputs of 1 (DNA strands 1 and 2) would...
coli), leads to the recognition of mismatch bases in the “daughter” strand and creates an incision at specific sites up to 1kb from the mismatch base. Exonucleases remove the part of the DNA from the incision to the mismatch, allowing DNA polymerase d (Polymerase III in prokaryotes) to ...
During this process a large number of water molecules appear to fill the spaces between the enzyme and the DNA. Once the cognate (recognition) sequence is found, much of the water is excluded as a highly redundant number of contacts evolve between the enzyme and the bases and phosphodiester ...