Q: Which of the following molecules do NOT contribute atoms to purine synthesis? a. Glutamine b.…
A: Purines are nucleotide bases attached to 5 carbon containing sugar molecules. Adenine and guanine…
Q: How does the width of the black iodide starch complex of each potato block compare to the others?…
A: lodine solution is basically acting as an indicator for starch solution which is there in potato.…
Q: Based on intermolecular attractions, why is honey, which is made up of carbohydrates, 2,000 times…
A: A fluid's viscosity is a measurement of its resistance to deformation at a certain rate. As a…
Q: Which of the following enzymes do not require a DNA template for nucleotide synthesis? *
A: DNA template is a DNA strand which is copied in to a complementary strand of DNA. According to the…
Q: which of the following process do not contribute to purine nucleotide biosynthesis? a) synthesis…
A: Biosynthesis of nucleotides occur in two ways - de novo pathway and salvage pathway. In the de novo…
Q: Why does DNA contain thymine instead of uracil? Justify.
A: To understand this question in basic terms, we need to know what locations of DNA and RNA are and…
Q: What is the base sequence of the segment of DNA that is responsible for the biosynthesis of the…
A: Transcription Cellular process in which RNA is synthesized using DNA as a template known as…
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: Which of the following is the polyadenylation signal sequence? AAAAAA O AAUAAA O AAAUAA AAUUAA
A: Polyadenylation signal sequence :- is the signal sequence needed to add poly A tail at 3' end of…
Q: Which of the following is the result of the hydrolysis of 5'-CTAGTTC-3' at the b side?
A: Nucleic acids are polymers of nucleotides (which consist of phosphate group, sugar and nucleobases).…
Q: What are the names that we use to distinguish between the two strands of DNA with regards to the…
A: DNA is a double helical structure which had two strands that run in Antiparallel direction. This…
Q: Which of the following point mutations would properly be defined as a transition mutation? the…
A: The substitution mutations of DNA are of two types: Transitions and Transversions. Transitions are…
Q: Which of the following are nitrogen bases that can be contained in DNA nucleotides? Select all that…
A: Adenine, Thymine, Guanine and Cytosine are part of DeoxyriboNucleicAcid (DNA). Adenine, Uracil,…
Q: Describe the process by which pyrimidine nucleotides are produced.
A: A Pyrimidines and purines are two types of nitrogenous bases present in nucleotides. Pyrimidines,…
Q: True or False. Removal of ribose-phosphate from cytidylic acid yields cytidine.
A: DNA and RNA are made up of long chains of nucleotides. Sugar molecule, ribose in RNA, and…
Q: Which part of a deoxynucleoside triphosphate (dNTP) molecule provides the energy for DNA synthesis?
A: DNA stands for deoxyribonucleic acid. It stores the genetic information in form of nucleotides.
Q: What metabolic structure is produced from the carbon atoms of each of the following amino acids?…
A: Metabolism of amino acids results in the removal of amino group and entry of the remaining carbon…
Q: The glycosidic linkage in nucleoside forms from the C-1' carbon of a. N-6 nitrogen of pyrimidines…
A: A glycosidic bond or glycosidic linkage is a type of covalent bond that joins a carbohydrate…
Q: Which of the following is most likely to be an RNA nucleotide? a. Adenosine-5'-triphosphate b.…
A: A nucleic acid is a linear polymer of nucleotides that is a component of the cell's information…
Q: What is a cavity mutant? Which sites in the L121A/L133A mutants demonstrated higher mobility of the…
A: Mutants are organisms that have a change in the nucleotide sequence due to some abrupt changes or…
Q: In biochemistry mechanisms, what group is often attacked by a nucleopile?
A: A nucleophile is a chemical species that donates an electron pair to form a chemical bond in…
Q: How does thymine in DNA differ from uracil in RNA? Compare and contrast the two nitrogenous bases
A: Differences: [T & U] Thymine (T)…
Q: Outline the steps in the biosynthesis of the following: a) Pyrimidine nucleotide b) Heme 6.
A: Biosynthesis is a multi-step process, an enzyme-catalyzed process in which substrates are…
Q: Which of the following anticodons could be charged with Asparagine (Asn)? Question 23 options:…
A: An anticodon is a trinucleotide sequence complementary to that of a corresponding codon is a…
Q: Does the oxygen in the newly made ester bond come from the phosphate or from the sugar?
A: Step 1 Esters are a functional group which is characterized by a carbon bound to three other atoms:…
Q: A drug company has decided to use recombinant DNA methods to prepare a modified α1 -antitrypsin that…
A: Amino acids are the organic compounds join to form proteins.
Q: Which of the following is most correct?
A: The basic function of petals is to attract insects for the purpose of exchange of pollens (i.e.…
Q: How do you account for the low Iodine Number (8 – 10) of coconut oil?
A: Saturated oil Saturated oil are those oil which are solid at room temperature. They do not have…
Q: Why were 32P and 35S chosen for use in the Hershey–Chase experiment? Discuss the rationale and…
A: DNA (deoxyribonucleic acid) was discovered by Friedrich Miescher. Nucleotides are the structural…
Q: Which statement is FALSE regarding when a pyrimidire base is incorporated into a deoxynucleoside?…
A: DNA ( deoxyribonucleic acid) is a type of nucleic acid. Nucleic acids are present inside the…
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: Which of these are examples of epimers? Altrose & galactose Xylose & arabinose Lactose & mannose…
A: Diastereomers are compounds that contain two or more chiral centres and are not mirror images of…
Q: Why is the deoxyribose so important in dna and why is the phosphate at the 5’ end crucial for DNA…
A: Deoxyribose is a pentose sugar important in the formation of DNA. It is a modified sugar, lacking…
Q: The GC content of the DNA in the genome of a newly discovered bacterium is 46%, what is the…
A: Chargaff’s rules state that the DNA content from any cell of any organism should always have a 1:1…
Q: DNA contains thymine rather than uracil. Why is the presence of thymine in DNA advantageous? What…
A:
Q: Which of the following cannot be said concerning base-pairing complementarity in DNA or RNA?…
A: Answer is option E
Q: A researcher creates random copolymers of three nucleotides each by mixing polynucleotide…
A: Genetic code is the the sequence of nucleotide in deoxyribonucleic acid (DNA) and ribonucleic acid…
Q: Which of the following can be said of the genetic effects of gamma rays and cosmic rays? (mark all…
A: Answers : The correct option would be They can cleave one or both of the DNA strands They cause…
Q: Which of the following is an RNA nucleoside?
A: Nucleosides- these are the compounds which contains only sugar and base and no phosphate groups are…
Q: What would be the effect of a mutation in an allosteric enzyme that resulted in a T/R ratio of 0?
A: Allosteric enzymes would have kinetic properties which have conformational changes between tense…
Q: Loss of the Sar1 guanine nucleotide exchange factor would influence all of the following EXCEPT:
A: Sar1 is a protein that acts as a GTPase associated with COP2 coated vesicles. These COP2 coated…
Q: The drug Ciprofloxacin hydrochloride (Cipro) blocks bacterial DNA gyrase enzyme needed to counteract…
A: Ciprofloxacin is a generic antibiotic that the Food and Drug Administration (FDA) has recommended…
Q: A drug company has decided to use recombinant DNA methods to prepare a modified α 1 - antitrypsin…
A: When a drug company is using recombinant DNA method to prepare a modified antitrypsin that is more…
Q: What is a protease enzyme? Why would we treat the strawberry extract with a protease in an…
A: DNA isolation or DNA extraction is the method used to isolate DNA from a particular sample which is…
Q: which of the following process do not contribute to purine nucleotide biosynthesis? a) synthesis…
A: The three processes that contribute to purine nucleosides biosynthesis in the order of decreasing…
Q: How would the bonding of a purine with a purine alter the DNA molecule?
A: DNA is a macromolecule which is a polymer of nucleotides. Each nucleotides has three parts- 1. A…
Which of the following describes where in the model chloramphenicol acts to interfere with the production of proteins from DNA?
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