Q: How may the covalent modification of a protein with a phosphate group alter its function?
A: Proteins are the polymers of the amino acids.
Q: What characteristics are most commonly found in rho-independent terminators?
A: Terminator is a segment of nucleic acid sequence. In the process of transcription, the terminator…
Q: What are aminoacyl-tRNA synthetases?
A: A protein or polypeptide sequence is biosynthesized during translation inside a live cell. The…
Q: ______ mutations in the coding sequences of a gene maymodify the amino acid sequence of the…
A: Mutations are defined as the change in the sequence of DNA of an organism due to any environmental…
Q: Why and how does an antisense oligonucleotide functionally inactivate an mRNA for use in translation…
A: Antisense RNA (asRNA), also referred to as antisense transcript,natural antisense transcript or…
Q: Why is Molisch's test used for the determination of the presence of pentose in the yeast RNA…
A: Carbohydrates are the polyhydroxy ketones or polyhydroxy aldehydes or their derivatives. In…
Q: What are the two enzymatic functions of reverse transcriptase?
A: Enzymes are the biocatalyst that catalyzes the biochemical reactions or processes by lowering the…
Q: What is the primary and secondary structure of ubiquitin-conjugating enzyme?
A: Ubiquitin is a 76 amino acid polypeptide that is found in a eukaryotic cell. ubiquitin is served…
Q: What advantages are there for synthesizing an inactive protein that must subsequently be activated…
A: When the proteins are synthesized into naive polypeptide then these are transferred to the…
Q: How do guanine and adenine nucleotides inhibit their own synthesis? How do they promote synthesis of…
A: Purine metabolism refers to the metabolic pathways to synthesize and break down purines that are…
Q: From the result shown, what might be the histidine biosynthetic pathway (the order of enzymes)?
A: Histidine biosynthesis is an ancient metabolic partway present in bacteria, archaea, lower…
Q: How does a disorder in mitochondria lead to diabetes? What kind of diabetes is it?And Which two…
A: Mitochondrial disorders:These disorders harm the proper functioning of mitochondria (powerhouse of…
Q: Considering that genes can code only for RNA orproteins, how can the synthesis of nonprotein…
A: A gene is the basic physical and functional unit of heredity. They are made up of DNA.
Q: Are tRNAfmet and tRNAmet made from the same aminoacyl tRNA synthetase?
A: Amino acyl tRNA synthase pairs tRNA with amino acid that their anti codon codes for. Amino acyl tRNA…
Q: What are the advantages of synthesizing proteases as zymogens?
A: A zymogen, also called a proeznzyme, is an inactive precursor of an enzyme. A zymogen requires a…
Q: What is the purpose of using 1% NaOH in RNA hydrolysis?
A: RNA is an essential component of cellular functions. RNA is the genetic material present in many…
Q: Does glucagon speed up the reaction of F2-6-BP to F-6-P
A: The hormone is produced by the alpha cells of pancreatic islets of Langerhans. It is responsible for…
Q: Does a gene sequence carry a mutation that might cause adisease?
A: Mutation is defined as any sudden change in the nucleotide sequence of genes. It may also be defined…
Q: What is catabolite repression? How does it allow a bacterial cell to use glucose in preference to…
A: Microorganisms with catabolite repression can easily adapt to a chosen (rapidly metabolizable)…
Q: What are histone acetyl transferases (HATs)?
A: Histones are proteins that are associated with DNA inside the nucleus of eukaryotic organisms. The…
Q: How is inosine monophosphate converted to AMP and GMP?
A: Inosine monophosphate (IMP) is a nucleotide and an important derivative of inosinic acid include the…
Q: What is the effect of lacI- mutations?
A: The lactose operon or lac operon is an inducible operon system under dual – positive and negative…
Q: What is an important difference between the biosynthesisof purine nucleotides and that of pyrimidine…
A: Introduction: A nucleoside and a phosphate make up nucleotides, which are organic molecules. They…
Q: What is diauxic growth? Explain how catabolite repression causes diauxic growth.
A: Introduction Growth is an important aspect of microbes as they are rapidly dividing species. On an…
Q: What are the low-molecular-weight precursors needed for the de novo biosynthesis of the purine ring,…
A: Purine nucleotides are synthesized in the body via de novo synthesis or salvage pathway. Adenine and…
Q: What makes lysozyme and penicillin similar? How are they different?
A: Lysozyme is an enzyme that is directed by a DNA code. Penicillin is a moderate size chemical…
Q: What are endoribonucleases ?
A: Introduction: endoribonucleases work primarily in RNA processing and turnover.
Q: What are the term of anticodon loop?
A: Anticodon loop: at one of the two ends of the tRNA (transfer RNA) three adjacent nucleotide is…
Q: How many different types of mutations can result in lactase persistence and what are their names?
A: The functional activity of the Lactase enzyme even in adulthood is termed as Lacatse persistence,…
Q: What is known as catabolite repression ?
A: Certain terms are fundamental concepts and terms used in biology, which is the study of life and…
Q: What are the applications of esterase enzymes?
A: Esterases Esterase enzymes hydrolyze esters into acid and alcohol. Come under the class of enzyme…
Q: Considering prokaryotes, what is the term for the triplet of nucleotides that codes for an amino…
A: Asked : Term for the triplet of nucleotides that codes for an amino acid
Q: Two possible point mutations are the substitution of lysine for leucine or the substitution of…
A: Biological macromolecules are those large molecules that are necessary for the survival and growth…
Q: What is the function of a novel metagenomic alpha/beta-fold esterase? And how does its structures…
A: The alpha/beta-hydrolase fold family of enzymes is quickly establishing a reputation as one of the…
Q: What is the role of the lacZ gene product, the enzyme B-galactosidase?
A: An operon is a functional unit of DNA (Deoxyribonucleic acid) containing a cluster of genes under…
Q: Why do E. coli cells with a defective lacZ gene fail to show galactoside permease activity after the…
A: Galactoside permease also known as Beta-galactoside permease is a protein which is encoded by lacY…
Q: How Adenine is converted to hypoxanthine ?
A: Adenine is a purine base present in both DNA and RNA.
Q: How does the tryptophan operan turn back on in gene regulation?
A: Bacteria like Escherichia coli (a benign tenant of our gut) need amino acids to survive since they,…
Q: Why does a cell use deoxyribonuclease?
A: DNase are found in the lysosomes of cells in various tissues.
Q: Does transversion occur, If a purine replaces a pyrimidine, or vice versa ?
A: DNA substitution mutation is a type of mutation in which the nitrogenous bases undergo replacement…
Q: The biosynthetic pathway for the two amino acides E and H is shown schematically in the Figure…
A: Feedback inhibition is a cellular control mechanism in which an enzyme's activity is inhibited by…
Q: What is the role of folate in pyrimidine synthesis and what is the consequence of a folate…
A: Folate is a kind of vitamin B. It is also known as vitamin B9. It is usually taken in the form of…
Q: What happens in the absence of tryptophan in the 2-3 configuration?
A: Tryptophan is an amino acid needed for normal growth in infants and for the production and…
Q: What are the function of methylated guanosine cap?
A: The methylated Guanosine (5′ m7G) cap is associated in evolutionarily preserved modification of…
Q: What is the function of DNA methyl transferases (DNMTs)?
A: Deoxyribonucleic acid (DNA) is the hereditary unit of life, which carries the genetic information in…
Q: What is AP endonuclease ?
A: Introduction Enzymes are biological catalysts that are proteins. Chemical reactions are sped up with…
Why do housekeeping genes have to be hypomethylated and hyperactylated?
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- Why is lactose not fermented by yeast?What is the most significant difference between glycan synthesis and other biopolymer syntheses, such as DNA, RNA, and protein?How would you handle a baby with argininosuccinate synthetase deficiency? Which chemicals are responsible for removing nitrogen from the body?
- What is/are the possible genotype(s) of an individual who is lactose intolerant?What is the role of acetic acid in the isolation of glycogen? Is it possible to use other acids?Which of the following foods can someone who has lactoseintolerance eat?(a) ice cream(b) french fries(c) a chocolate milkshake