Description : G-proteins have a nucleotide binding site for (A) ADP/ATP (B) GDP/GTP (C) CDP/CTP (D) UDP/UTP
Last Answer : Answer : B
Description : The best understood intracellular messenger is cyclic AMP (cAMP). Which of the following statement(s) concerning this intracellular messenger is/are correct? a. Intracellular cyclic AMP is constantly ... of adenylate cyclase d. cAMP is the only cyclic nucleotide active as an intracellular messenger
Last Answer : Answer: a, b The prototypic intracellular messenger is cAMP. To function as a mediator, the concentration of cAMP must change rapidly. In resting cells, cAMP is continuously being degraded by ... produce cGMP. Intracellular calcium ions also serve as second messengers in a large number of cells
Description : Cyclic AMP can be formed from (A) AMP (B) ADP (C) ATP (D) All of these
Last Answer : Answer : C
Description : The enzyme aspartate transcarbamoylase of pyrimidine biosynthesis is inhibited by (A) ATP (B) ADP (C) AMP (D) CTP
Last Answer : Answer : D
Description : UDP and UTP are formed by phosphorylation from (A) AMP (B) ADP (C) ATP (D) GTP
Description : The enzyme phosphoenolpyruvate carboxykinase catalyses the conversion of oxaloacetate to phosphoenolpyruvate requires (A) ATP (B) ADP (C) AMP (D) GTP
Description : Phosphofructokinase key enzyme in glycolysis is inhibited by (A) Citrate and ATP (B) AMP (C) ADP (D) TMP
Last Answer : Answer : A
Description : The enzyme acyl-CoA synthase catalyses the conversion of a fatty acid of an active fatty acid in the presence of (A) AMP (B) ADP (C) ATP (D) GTP
Description : Allsoteric activator of glutamate dehydrogenase is (A) ATP (B) GTP (C) ADP and GDP (D) AMP and GMP
Description : Allosteric inhibitor of glutamate dehydrogenase is (A) ATP (B) ADP (C) AMP (D) GMP
Description : Which one of the following concerns photophosphorylation? (a) ADP + AMP ATP Light energy (b) ADP + Inorganic PO4 ATP Light energy (c) ADP + Inorganic PO4 ATP (d) AMP + Inorganic PO4 ATP
Last Answer : ) AMP + Inorganic PO4 ATP
Description : What has the most energy in its chemical bonds? a) AMP b) ADP c) ATP d) All are equal
Last Answer : ANSWER: C -- ATP
Description : The most abundant free nucleotide in mammalian cells is (A) ATP (B) NAD (C) GTP (D) FAD
Description : What happens to the ADP molecules that is produced when cells use the energy in ATP?
Last Answer : Most are taken up by mitochondria and reprocessed into ATP.
Description : A chain of amino acids joined by peptide bonds is called as (a) Peptide chain (b) Polypeptide chain (c) Polyamino acid chain (d) Nucleotide chain
Last Answer : Ans. ((b))
Description : Differentiate nucleotide and nucleoside.
Last Answer : Ans: A nucleotide is unit of nucleic acid consisting of a nitrogen base, phosphate and a pentose sugar. A nucleoside is nucleotide without phosphate.
Description : Standard free energy (∆G°) of hydrolysis of ADP to AMP + Pi is (A) –43.3 KJ/mol (B) –30.5 KJ/mol (C) –27.6 KJ/mol (D) –15.9 KJ/mol
Description : The pathway of glycogen biosynthesis involves a special nucleotide of glucose. In the reaction below, NuDP stands for NuDP Glucose + glycogenn → NuDP + glycogenn+1 (A) ADP (B) GDP (C) UDP (D) CDP
Description : Standard free energy (∆G°) of hydrolysis of ATP to ADP + Pi is (A) –49.3 KJ/mol (B) –4.93 KJ/mol (C) –30.5 KJ/mol (D) –20.9 KJ/mol
Description : Given that the standard free energy change (∆G°) for the hydrolysis of ATP is -7.3 K cal/mol and that for the hydrolysis of Glucose 6-phosphate is -3.3 Kcal/mol, the ∆G° for the phosphorylation of glucose is Glucose + ATP → ... -10.6 Kcal/mol (B) -7.3 Kcal/mol (C) -4.0 Kcal/mol (D) +4.0 Kcal/mol
Description : An allosteric inhibitor of IMP dehydrogenase is (A) AMP (B) ADP (C) GMP (D) GDP
Description : An allosteric inhibitor of adenylosuccinate synthetase is (A) AMP (B) ADP (C) GMP (D) GDP
Description : An allosteric inhibitor of PRPP glutamyl amido transferase is (A) AMP (B) ADP (C) GMP (D) All of these
Description : PRPP synthetase is allosterically inhibited by (A) AMP (B) ADP (C) GMP (D) All of these
Description : ADP ribosylation is the mode of action of (A) Cholera toxin (B) Acetyl choline (C) Muscerinic receptors (D) Cyclic AMP
Description : How much ATP is produced when one molecule of glucose is completely oxidized in Sabat respiration ?
Last Answer : In one breath, one molecule of glucose is completely oxidized and produces 36 ATPs .
Description : The net gain of energy from one gram mole of glucose during aerobic respiration is: (a) 2 ATP (b) 4 ATP (c) 38 ATP (d) 40 ATP
Last Answer : Ans. ((c))
Description : Potential energy is produced during a.Photorespiration b.Respiration c.Photosynthesis d.ATP synthesis
Last Answer : c.Photosynthesis
Description : ATP is called a. A nucleoside b. Physiological currency c. An amino acid d. Polynucleotide
Last Answer : b. Physiological currency
Description : Ring closure of formimidoimidazole carboxamide ribosyl-5-phosphate yields the first purine nucleotide: (A) AMP (B) IMP (C) XMP (D) GMP
Description : A pyrimidine nucleotide is (A) GMP (B) AMP (C) CMP (D) IMP
Description : A purine nucleotide is (A) AMP (B) UMP (C) CMP (D) TMP
Last Answer : Adenosine Diphosphate, Adenosine Triphosphate
Last Answer : : Photophosphorylation or photosynthesis. At this time 6300 calories are bound in ATP .
Description : $ Process of conversion of ADP into ATP is called phosporylation. ! Glycolysis is also called EMP.
Last Answer : $ Process of conversion of ADP into ATP is called phosporylation. ! Glycolysis is also called EMP. A. If ... is wrong D. If both As and R are wrong.
Description : Synthesis of ATP and ADP and inorganic phoshate in presence of light is known as
Last Answer : Synthesis of ATP and ADP and inorganic phoshate in presence of light is known as
Description : What molecule as a phosphate group to ADP to make ATP?
Last Answer : Need answer
Description : Why does the conversion of ATP and ADP help keep us warm?
Last Answer : Feel Free to Answer
Description : What and happens to ADP after ATP hydrolysis?
Description : What happens when ATP to changed to ADP?
Last Answer : it loses an inorganic phosphate from a chemical reaction.
Description : What is the equation that shows how ADP i changed into ATP?
Description : When you are rested, do you have more ATP or ADP ?
Last Answer : 2 Chainz
Description : What's the difference in the Flashlight beams in ADP and ATP?
Last Answer : ADP is like a partially charged battery that will produce a dim light & ATP is like a fully charged battery that produces a bright light
Description : All the following statements about charging of tRNA are correct except (A) It is catalysed by amino acyl tRNA synthetase (B) ATP is converted into ADP and Pi in this reaction (C) The enzyme recognizes the tRNA and the amino acid (D) There is a separate enzyme for each tRNA
Description : All of the following statements about thioredoxin reductase are true except: (A) It requires NADH as a coenzyme (B) Its substrates are ADP, GDP, CDP and UDP (C) It is activated by ATP (D) It is inhibited by dADP
Description : The cofactors required for synthesis of adenylosuccinate are (A) ATP, Mg++ (B) ADP (C) GTP, Mg++ (D) GDP
Description : In purine biosynthesis ring closure in the molecule formyl glycinamide ribosyl-5- phosphate requires the cofactors: (A) ADP (B) NAD (C) FAD (D) ATP and Mg++
Description : Rate of tissue respiration is raised when the intracellular concentration of (A) ADP increases (B) ATP increases (C) ADP decreases (D) None of these