Concept explainers
(a)
Interpretation:
Concept introduction:
The building block of DNA and RNA is termed as the nucleotides. Nucleotides are the organic molecules, that plays important roles during cell signaling, enzymatic reactions, and metabolic reactions. It contains a phosphate group, a ribose sugar, and a nitrogenous base (pyrimidine or purine).
(b)
Interpretation:
Nucleotide that acts as a phosphoryl-group transfer is to be determined.
Concept introduction:
The building block of DNA and RNA is termed as the nucleotides. Nucleotides are the organic molecules, that plays important roles during cell signaling, enzymatic reactions, and metabolic reactions. It contains a phosphate group, a ribose sugar, and a nitrogenous base (pyrimidine or purine).
(c)
Interpretation:
Nucleotide that activates carbohydrates is to be determined.
Concept introduction:
The building block of DNA and RNA is termed as the nucleotides. Nucleotides are the organic molecules, that plays important roles during cell signaling, enzymatic reactions, and metabolic reactions. It contains a phosphate group, a ribose sugar, and a nitrogenous base (pyrimidine or purine).
(d)
Interpretation:
Nucleotides that activates acyl groups are to be determined.
Concept introduction:
The building block of DNA and RNA is termed as the nucleotides. Nucleotides are the organic molecules, that plays important roles during cell signaling, enzymatic reactions, and metabolic reactions. It contains a phosphate group, a ribose sugar, and a nitrogenous base (pyrimidine or purine).
(e)
Interpretation:
Nucleotide responsible for electron transfer is to be determined.
Concept introduction:
The building block of DNA and RNA is termed as the nucleotides. Nucleotides are the organic molecules, that plays important roles during cell signaling, enzymatic reactions, and metabolic reactions. It contains a phosphate group, a ribose sugar, and a nitrogenous base (pyrimidine or purine).
(f)
Interpretation:
Nucleotides that are used in DNA sequencing are to be determined.
Concept introduction:
The building block of DNA and RNA is termed as the nucleotides. Nucleotides are the organic molecules, that plays important roles during cell signaling, enzymatic reactions, and metabolic reactions. It contains a phosphate group, a ribose sugar, and a nitrogenous base (pyrimidine or purine).
(g)
Interpretation:
Nucleotides used during chemotherapy are to be determined.
Concept introduction:
The building block of DNA and RNA is termed as the nucleotides. Nucleotides are the organic molecules, that plays important roles during cell signaling, enzymatic reactions, and metabolic reactions. It contains a phosphate group, a ribose sugar, and a nitrogenous base (pyrimidine or purine).
(h)
Interpretation:
Nucleotides that are used as allosteric effectors are to be determined.
Concept introduction:
The building block of DNA and RNA is termed as the nucleotides. Nucleotides are the organic molecules, that plays important roles during cell signaling, enzymatic reactions, and metabolic reactions. It contains a phosphate group, a ribose sugar, and a nitrogenous base (pyrimidine or purine).
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- - MULTIPLE CHOICE - Please answer properly QUESTION : In patients with Lesch Nyhan Syndrome, purine nucleotides are overproduced and over excreted. The hypoxanthine analogue Allopurinol, which effectively treats gout , has no effect on the severe neurological symptoms of Lesch- Nyhan patients because it does not? A. decrease de novo pyrimidine synthesis B. decrease de novo purine synthesis C. decrease urate synthesis D. increase PRPP levels (Phosphoribosyl pyrophosphate)arrow_forward3. Solve the sequence of an oligopeptide 7 residues long which gave: Asp Leu Lys Met Phe Tyr The following facts were observed: a. Trypsin treatment had no apparent effect b. The PTH derivative from Edman degradation was c. Brief chymotrypsin treatment yielded several products including but not limited to a dipeptide and a tetrapeptide. The amino acid composition of the tetrapeptide was Leu, Lys, and Met. d. Cyanogen bromide treatment yielded a dipeptide, a tetrapeptide, and a free Lys.arrow_forwardAnabolism & Catabolism of Nitrogenous Bases. a. Differentiate the processes of purine nucleotide biosynthesis & pyrimidine nucleotide biosynthesis. What are the starting materials for each process? b. Differentiate the processes of purine nucleotide degradation &pyrimidine nucleotide degradation. What are the end products of each process? c. Explain how purine & pyrimidine biosynthesis is regulated to produce balanced levels ofall four nucleotides (ATP, GTP, UTP & CTP)?arrow_forward
- 3. Solve the sequence of an oligopeptide 7 residues long which gave: Asp Leu Lys Met Phe Tyr The following facts were observed: a. Trypsin treatment had no apparent effect b. The PTH derivative from Edman degradation was c. Brief chymotrypsin treatment yielded several products including but not limited to a dipeptide and a tetrapeptide. The amino acid composition of the tetrapeptide was Leu, Lys, and Met. d. Cyanogen bromide treatment yielded a dipeptide, a tetrapeptide, and a free Lys. Instructions Make use of the table below to determine the sequence of the mystery protein.arrow_forwardP CO HI F. sum21.ex1.137 Accessibility Mo 日- Which of the following molecules generally possesses a complex shape that allows the molecule to function as tools and machinery that essentially do all the work within a living cell? 15. A. triglycerides B. proteins C. carbohydrate D. A and Bare correct. 16. Which of the following molecules is NOT involved in cell-to-cell signaling? A nroctaalandine Give %00% kidomi 56°F 近 Insert F8 F6 & %24 8. K 2 G oW N Marrow_forward1. Describe the structure of a nucleotide. 2. Describe the role of ATP in metabolic (anablic and catabolic) reactions 3. Describe how feedback inhibition work. PLEASEEEEEEEE ANSWER ALLarrow_forward
- Protease enzymes cleave proteins by hydrolyzing peptide bonds. The strategy for each type of metalloprotease begins with generating a nucleophile that attacks the peptide bond that attacks the peptide carbonyl group. O Macmillan Learning On the basis of the information provided in the figure, show the next step in the mechanism for peptide-bond cleavage by a metalloprotease. Metalloproteases H R₁ HN Zn Enz 2+ R₂ Draw curved arrows on the pre-drawn structures to show the metalloprotease mechanism. If you need to reset the structures, click More followed by Reset Drawing. Select Draw Templates Groups More B - H Enz H H с R1 | : HN O | Zn 2+ B R2 N Zn Erasearrow_forwardThink about what part of chymotrypsin, according to our coverage, most contributes to stabilization of the transition state. This contributor is best identified as: Othe acid/base catalystarrow_forwardDescribe the tertiary level of protein structure and state the type of interactions present.14. With the aid of diagrams, explain the difference between spontaneous and nonspontaneous enzyme reactions15. Briefly explain how enzymes decrease the activation energy of biochemical reactions.16. What is the difference between a nucleoside and a nucleotide?17. A nucleic acid has 13% of adenine. Determine the composition of guanine, cytosine and thymine.arrow_forward
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