- The aldolase reaction is spontaneous in vivo because:A) It is metabolically irreversible under standard biochemical conditions.B) Aldolase uses ATP hydrolysis to make the reaction irreversible.C) The rapid consumption of products pulls the reaction forward.D) The reaction occurs very rapidly.ADCB
- glycolysis:starting substrates: glucose or pyruvateenergy requirements (ATP/GTP): 2 ATP or 6 ATPUse of NAD+ and NADH: 2NAD+ or 2NADH
- Malonate is a competitive inhibitor of succinate dehydrogenase. Which of the following TCA intermediates accumulate if malonate is present in a preparation of isolated mitochondria?α-ketoglutarateMalateSuccinyl-CoASuccinateFumarate
- Both glycogen synthesis and glycogen breakdown share the metabolite:cAMPbiotinGlucose-6-phosphataseGlucose-1-phosphate
- Identify if the following statement is true or false:Pyruvate kinase is used in the process of gluconeogenesis.TrueFalse
- The anaerobic conversion of 1 mol of glucose to 2 mol of lactate by fermentation is accompanied by the net gain of:1 mol ATP2 mol ATP4 mol ATP3 mol ATP
- Which of the following enzymes catalyzes a substrate-level phosphorylation?HexokinaseGlyceraldehyde-3-phosphate dehydrogenaseAldolasePhosphofructokinasePyruvate kinase
- In glycogen synthesis, the intermediate between glucose-1-phosphate and glycogen is:glucose-1,6-bisphosphateUDP-glucoseGlucose-6-phosphateGlucose
- gluconeogenesis:starting substrates: glucose or pyruvateenergy requirements (ATP/GTP): 2 ATP or 6 ATPUse of NAD+ and NADH: 2NAD+ or 2NADH
- Complete the analogy:Glycogen synthase is to the branching enzyme as glycogen phosphorylase is to the ________ enzyme.UDP-glucose phosphorylasedebranchingglycogenin
- Under anaerobic conditions within a cell, how many net ATPs are formed from one glucose molecule by substrate-level phosphorylation?2461
- Which enzyme is used in gluconeogenesis, but NOT in glycolysis?Phosphoenolpyruvate (PEP) carboxykinasePhosphoglycerate mutaseTriose phosphate isomeraseEnolase
- One of the most important products of the pentose phosphate pathway is;NADHQH2NADPHFADH2
- What is the net energetic cost of converting two pyruvate to one glucose by gluconeogenesis, in ATP equivalents?68432
- What is the initial investment of ATP in the glycolytic pathway per molecule of glucose?1423
- The glycolytic enzymes are located in the:ERinner mitochondrial matrixmitochondrial matrixnucleuscytosol
- What is the net equation of glycolysis?Glucose + 2 ADP + 2 Pi + 2 NAD+ --> 2 pyruvate + 2 ATP + 2 NADH + 4 H+Glucose + 2 ADP + 2 Pi + 2 NAD+ --> 2 lactate + 2 ATP + 2 NADH + 4 H+
- The enzyme phosphoglucomutase catalyzes the isomerization of glucose-6-phosphate to:galactose-6-phosphatefructose-6-phosphateglucose-1-phosphate
- State the property of amphipathic phospholipids that enables them to form a bilayer [1]
- Once germinated bean grows above the ground, state the process used by the bean in the production starch [1]