E. coli oriC is rich in A · T base pairs. Why is this advantageous?
Q: GCA UGC CGA UAC
A: 1. The tRNA anticodons for the amino acid sequence shown above is - GCA UGC CGA UAC
Q: Which of the following amino acid changes can result from a single base-pair substitution? Explain…
A: Mutations are alterations in the DNA sequence of an organism. Small changes, such as adding or…
Q: threonine, alanine, and isoleucine. The TRNA anticodons for the amino acid sequence shown above is…
A: Protein synthesis or translation process takes place on the ribosomes with the help of messenger RNA…
Q: Which of the following sequences is most likely to form an a helix?
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A: RNA silencing is the mechanism by which gene expression is negatively regulated by non-coding RNA…
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A: The nucleotide segment at the 3' terminal of 16S ribosomal RNA (rRNA) has several pyrimidines with a…
Q: Explain the Titration profile of Lysine
A: Titration is a basic process which is used to analyse a sample. It is basically used to determine…
Q: If hypoxanthine (structure shown) was incorporated into double stranded DNA, what would it most…
A: Hypoxanthine is a non-natural base that is found in the DNA. DNA is also known as deoxyribonucleic…
Q: Which form of flavin adenine dinucleotide is the "reduced" form, FAD or FADH2? Explain
A: Flavin Adenine Dinucleotide: It is a redox active coenzyme associated with various proteins, which…
Q: The formation of deoxyribonucleotide from ribonucleotide requires all the following except:…
A: A nucleotide is the basic part of nucleic acid that contains nitrogenous bases (adenine, thymine,…
Q: . What is wobble base-pairing? According to Wobble's rule, one tRNA is sufficient to decode the…
A: Base pair is defined as two complementary nitrogenous that are connected by hydrogen bonds. Base…
Q: Why are the activated nucleotides in nucleic acid polymerization reactions 5’-triphosphates?
A: According to the question, we have to explain the reason for the activated nucleotides in nucleic…
Q: If a tRNA has an anticodon sequence 5'-CAU-3', What would be an amino acid carried by that tRNA?
A: Codon is defined as the the group of three nucleotides that encode an amino acid.
Q: The adenine derivative hypoxanthine can base-pair with adenine. Draw the structure of this base…
A: A Wobble base pair is the pairing between two nucleotides in RNA molecules that does not follow…
Q: Write a balanced equation for the hydrolytic deamination of a DNA- 5-methylcytosine residue.
A: Deamination is the process of breaking down amino acids in which amino group is converted into…
Q: Find self-complementary regions in the following RNA sequence: AUGUGGCAUGCCAGG
A: Biomolecules includes carbohydrates, lipids, nucleic acids and proteins. Nucleic acid plays an…
Q: Why are GC and AT the only base pairs permissible in the double helix?
A: Base pair: The nucleotides on opposite strands of DNA double helix, that form chemical bonds…
Q: The genetic code is based on four different bases with the structures shown here. Determine the…
A: Nitrogenous base is a molecule that contains nitrogen and has the chemical properties of a base. The…
Q: In the sequence 5'-TCCGGA-3, an available phosphate group would be found at the 5' end of the…
A: Introduction: A nucleotide is an organic molecule that consists of a nitrogenous base, pentose…
Q: Why does RNA use uracil as a complementary base pair with adenine instead of thymine?
A: Ribonucleic acid (RNA) poses as genetic material but rarely takes part in…
Q: The enzyme thiouridylase converts certain tRNA uridine residues to 2-thiouridine. Draw the structure…
A: Enzyme is a catalytic molecule that increases the rate of any chemical reaction without being used…
Q: Draw the syn conformation of purine residues in Z-DNA.
A:
Q: Given this sequence ATGCACCG About how often (every _____ bases) would this occur in double strand…
A: All DNA strands are made up of nucleotides namely Adenine (A), Thymine (T), Guanine (G), and…
Q: When cytosine is treated with bisulfite, the amino group is replaced with a carbonyl group. Identify…
A: Studies on the interactions between chemicals and nucleic acids are important because they can be…
Q: Ribosomal proteins have high pI values. Why is this advantageous for ribosome stability?
A: Ribosome is the complex of rRNA and proteins present in the cytoplasm of a cell. It is responsible…
Q: The oxidation of guanine bases in the context of triplet repeats such as CAGCAGCAG can lead to the…
A: The triplet repeat is called reiteration disorder. The increase in copy number of the triplet repeat…
Q: How many RNA bases are Explain your answer. required to code for a protein that contains 250 amino…
A: Transcription is the process in which one stranded mRNA is synthesized from two stranded DNA…
Q: Write a balanced equation for the hydrolytic deamination of a DNA-5- methylcytosine residue.
A: Deamination reaction is the removal of an amino group from an amino acid and this reaction was…
Q: In the serine protease triad, the proximity of an aspartate carboxylate group of histidine raises…
A: Serine protease is a class of proteolytic enzymes in which serine residue is present at the active…
Q: Why do you think the motif of the DNA-binding protein shown is called a zinc-finger motif?
A: Each protein has unique features. However, most bind to DNA as homodimers or heterodimers and…
Q: Why does DNA with a high A-T content have a lower melting temperature, Tm, than DNA with a high G-C…
A: Deoxyribonucleic acid(DNA) is a molecule that contains two polynucleotide chains that coil around…
Q: Why adenosine tri phosphate is called Biological coin ?
A: Introduction: The cell is considered life's fundamental unit as all tissues, and any organized…
Q: Which positions in the purine ring of a purine nucleotide in DNAhave the potential to form hydrogen…
A: DNA is the chemical name for the molecule that carries genetic instruction is all living things. The…
Q: Hhal is a 4-cutter restriction enzyme that creates 2-base, 3' overhangs ("sticky ends") and…
A: Restriction enzymes can cleave the DNA sequences at the recognition sites, also known as restriction…
Q: What are Okazaki fragments? Why are they formed?
A: DNA replication is the process by which double-stranded DNA is copied to produce two identical…
Q: base pairing between nucleotides makes which process possible?
A: DNA replication is a complicated method in which the coiled double stranded DNA is uncoiled and a…
Q: The DNA from sea urchins contains about 32% A and about 18% G. What percentages of T and C would you…
A: DNA (Deoxyribonucleic Acid) It is defined as a genetic material that stores genetic information…
Q: E. coli has two tRNAs for methionine. What is the basis for the distinction between the two?
A: Protein is one of the macromolecules found in the body. Proteins are synthesized using the…
Q: Why RNase H cannot remove all the RNA residue from Okazaki fragments to form a lagging strand?…
A: Ribonuclease H RNase H is a non-sequence-specific endonuclease enzyme. This enzyme catalyzes the…
Q: Compare the melting temperature of a 1-kb segment of DNA containing20% A residues to that of a 1-kb…
A: The temperature at which 50% of double-stranded DNA is changed into single-stranded DNA is called…
Q: You add 1 ul of EcoRI into 50 ul of your reaction of which contains 10 ug of DNA. How long would it…
A: 1 hr
Q: With this DNA sequenec: - 5'-GCAATGGAGAGAATCTGCGCG-3'- - 3'-CGTTACCTCTGTTAGACGCGC-5' - -Identify the…
A: The process by which DNA gets converted into RNA molecule is called as transcription and then mRNA…
Q: If the amino acids in the proteins of two organisms are similar, why will their DNA also be similar?
A: DNA or deoxyribonucleic acid is a polymer of deoxyribonucleotides connected together via a…
Q: Why is it important for all tRNAs to have similar structures?
A: Transfer RNA (tRNA), certain molecules in the cell that carry amino acids to ribosomes. Here, they…
Q: Unusual bases and non-Watson–Crick base pairs frequently appear in tRNA molecules. Which base is…
A: tRNA is the transfer RNA that functions at a specific site in the ribosomes during translation to…
Q: Hypoxanthine can also base-pair with cytosine. Draw the structure of this base pair.
A: Mutations sometimes are responsible for the change in the base pairing of the DNA. This change…
Q: A tRNA has the anticodon sequence 3ʹ-G A A -5ʹ. Which amino acid is attached to it?
A:
E. coli oriC is rich in A · T base pairs. Why is this advantageous?
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- How many kilobases of the DNA strand below will code for the protein product?Given the structures of the nitrogenous bases shown in the picture, draw the structure of a part of DNA with the sequence: 5'-GTTCA-3'.What is the difference between a deoxynucleotide triphosphate (dNTP) and a dideoxynucleotide triphosphate (ddNTP)?
- why a literature sequence for Mpro includes additional 18 bases on the C-term that can not be found in the nature protein. what is the purpose of these bases?When proteins recognize and bind to a specific sequence in DNA, why do they usually just recognize short sequences of 5-6 bases rather than 10-20 bases?The adenine derivative hypoxanthine can base-pair with adenine. Draw the structure of this base pair.
- Of the four DNA bases, why is guanine most likely to be modified after exposure to polycyclic hydrocarbons such as benzo(a)pyrene, as shown in Figure 23.8? (Hint: Consider the pKa values of the four DNA bases.)Which form of flavin adenine dinucleotide is the "reduced" form, FAD or FADH2? ExplainGiven the structures of the nitrogenous bases below, draw the structure of a part of DNA with the sequence: 5'-GTTCA-3'.