In an ongoing research of the Philippine Genome Centre, using a repeating copolymers, ACA.... Incorporates threonine and histidine, and CAAČAA... Incorporates glutamine, asparagine and threonine. What triplet code can definitely be assigned to threonine?

Q: If you were to compare the amino acid sequences of histone proteins across several distantly-related…

A: The histone proteins highly basic protein found in the nucleus of eukaryotic cells. They play a…

Q: It is known that the second amino acid in that protein is argınine, and if we zoom in and look in…

A: The coding strand is the sense strand of the DNA double helix that has the polarity of 5'--> 3'…

Q: Robert Bost and Richard Cribbs studied a strain of E. coli (araB14) that possessed a nonsense…

A: Mutations are defined as the change in the sequence of DNA of an organism due to any environmental…

Q: If the MC1R protein is 317 amino acids long, why are there 954 base pairs in the coding region of…

A: The proteins are produced by the amino acids that are produced by the translation process. During…

Q: Two circular DNA molecules, which we can call molecule A andmolecule B, are topoisomers of each…

A: Supercoiling of deoxyribonucleic acid (DNA) is the under or overwinding of DNA strands. Supercoiling…

Q: Although DNA transposons are abundant in the genomes of multicellular eukaryotes, class 1 elements…

A: Transposons are called jumping genes they change their position within a Genome.

Q: Why do geneticists studying eukaryotic organisms often construct cDNA libraries, whereas…

A: A cDNA (complementary deoxyribonucleic acid) library is a combination of cloned cDNA fragments…

Q: What is a telomere problem and how is telomerase useful in this context?

A: Telomere is the sequence of repetitive nucleotides present at the ends of the chromosomes. Telomeres…

Q: You have isolated a transposable element from the human genome and have determined its DNA…

A: Transposable element also known as jumping gene, is a DNA sequence which can change its position in…

Q: Why is the term “proteome” ambiguous, whereas the term“genome” is not?

A: The proteins are the essential part of living organisms and it consists of thousands of smaller…

Q: Describe the process of cloning a DNA fragment into the BamHI and PstI sites of the vector pUC18.…

A: A cloning vector is a DNA molecule used as a vehicle to artificially carry foreign genetic material…

Q: How many units (U) of EcoR1 did you use in the digestion? How much lambda DNA (in ugs) was digested…

A: DNA-cutting enzymes are restriction enzymes. Each enzyme recognises a single or a few target…

Q: What molecular biology strategy can best be used to determine Inhibition of the splicing of one…

A: In eukaryotic genes, introns exist. They are interstitial sequences (80-10,000 bp). They do not code…

Q: How were the specific sequences of triplet codes determined experimentally?

A: The DNA genetic code comprises a set of rules and instructions to obtain proteins and molecules…

Q: Robert Bost and Richard Cribbs studied a strain of E. coli (araB14) that possessed a nonsense…

A: Mutation is defined as a change or alteration in the nucleotide sequence which in turn alters the…

Q: Are there nucleotide substitutions that will not be detected by electrophoretic studies of a gene’s…

A: SPONTANEOUS MUTATION:-  1) SUBSTITUTION:-  Substitution of base pairs is the most common mutation,…

Q: Although DNA transposons are abundant in the genomes of multicellular eukaryotes, class 1 elements…

A: The transposable elements are sequences which keeps on changing their position in the human genome,…

Q: If you were examining a sequence of chromosomal DNA, what characteristics would cause you to believe…

A: Step 1 The transposable element is a DNA (deoxyribonucleic acid) sequence that can change its…

Q: Approximately what percentage of the human genome isderived from transposable elements?a. 10%b.…

A: Introduction:- Transposable elements are DNA sequences that have the ability to travel or transfer…

Q: How can the binding assay technique be used to assign coding triplets to the corresponding amino…

A: Different triplet corresponds to different amino acids. In this method, an amino acid that is…

Q: Which of the following statements about a transversion mutation in the sequence AGC is true?

A: Transversion alludes to a point mutation in DNA in which a solitary (two rings) purine is changed…

Q: How many transposons are in the human genome?

A: Transposons or transposable elements (TE) are the DNA (deoxyribonucleic acid) sequences that can…

Q: On the basis of current knowledge, the protein-encoding regions account for only about 3% of the…

A: The Central Dogma of molecular biology states that: DNA makes RNA, which makes Proteins. However, a…

Q: As we described in class, in the early 1960's Francis Crick and colleagues set out to determine how…

A: Introduction  Genetic code   The sequence of bases that encodes a functional protein molecule is…

Q: What would be the phenotype of an E. coli strain in which the tandem tryptophan codons in the leader…

A: The set of genes controlled by a single promoter or regulatory sequence associated with that…

Q: are using the restriction enzyme HAEIII to digest different samples of the taster gene isolated from…

A: In gel electrophoresis DNA to be tested is broken down by various restriction endonucleases into…

Q: In a genomic analysis looking for a specific disease gene,one candidate gene was found to have a…

A: The discovery, measurement, or comparison of genomic properties such as DNA sequence, structural…

Q: In the fX174 genome, describe the difference between how thegene B and gene A* proteins are made

A: fX174:- Craig venter and his group reported the genome of fX174 in in-vitro conditions. It is a…

Q: There are characteristic differences in the nucleotide sequences of the leading and lagging strands.…

A: Deoxyribonucleic acid(DNA) is a molecule that contains two polynucleotide chains that coil around…

Q: The genomes of most multicellular eukaryotes encode~25,000 genes, yet their proteomes contain over…

A: Genes are the stretch of the DNA that codes for the polypeptide chain during the process of gene…

Q: The DNA of a deletion mutant of λ bacteriophage has a length of 15.4383 μm instead of 19.6356 μm.…

A: The mutation is the change in the nucleotide base pairs or in the DNA sequence which can be because…

Q: Would you be more likely to find single nucleotidepolymorphisms (SNPs) in the protein-coding or in…

A: Single nucleotide polymorphisms in short SNPs refer to the variation in a single base pair that…

Q: How else can it be proven that transformants have the topA-cysB fragment apart from size analysis…

A: A transformant cell is a cell that has received additional genetic material, either experimentally…

Q: What are transposable elements? Explain the mechanism by which they move from one location to…

A: A transposable element (TE or transposon) is a DNA sequence that may move around inside a genome,…

Q: An ORF 1,200 bp in length can encode a protein of what size?

A: Proteins  Proteins are the building block of our body they are synthesized by the process of…

Q: Your advisor, a brilliant bioinformatician, has high regard for your intellect and industry. she…

A: Introduction  A genome is consists of transcriptionally active genes. These genes form mRNA as they…

Q: A number of scientists who study cancer treatment have become interested in telomerase. Why? How…

A: The ends of the linear chromosomes are called telomeres. Replication of DNA by DNA polymerase…

Q: Given the Percentage Composition of One Nucleotide ina Genome, Can We Predict the Percentages of the…

A: Nucleotides are the chemical compounds that constitute the nucleic acids. The nucleic acids are of…

Q: name the Transposable Elements in the Human Genome

A: Introduction Transposable Elements are the highly repetitive sequence present in the genome of both…

Q: What is the central dogma of biology? Describe the molecular processes that accomplish the flow of…

A: Central Dogma of Biology:                   The flow of genetic information from DNA to RNA which is…

Q: For the ovalbumin gene where would the 5′ untranslated region and 3′ untranslated regions be located…

A: Nuclei acids consist of a sequence of nucleotides, which provides information for protein production…

Q: A transposable element is found to encode a reverse transcriptase enzyme. On the basis of this…

A: Transposable elements are known as stretches of DNA molecules and they can move from one place to…

Q: Your PhD thesis advisor has given you the task of preparing a human genomic DNA library.  a. How…

A: Introduction The Human Genome Is A Full Set Of Nucleic Acid Sequences For Humans, Encoded As DNA In…

Q: How were the experimentally derived triplet codon assignments verified in studies using…

A: MS2 refers to an icosahedral, single-stranded, positive-sense RNA (ribonucleic acid) virus that…

Q: Suppose you are a research assistant in a lab studying dna-binding proteins. you have been given the…

A: Amino acids are the organic compounds that acts as the building block of protein molecules. Proteins…

Q: Nearly  _______of the Human GenomeConsists of Transposable Elements?

A: The transposable elements are the DNA sequence that may change its position or location within the…

Immune Disorders

The collaboration between the cells and proteins that work together as a defense system against infection comprises the immune system.Each of them performs a variety of tasks to recognize and/or react against a foreign body.