Which of the following statements is not true? (a) Glycolysis is the first stage of cellular respiration. (b) Glycolysis can proceed under low oxygen levels with the assistance of fermentation. (c) Glycolysis produces less ATP than does either the Krebs cycle or oxidative phosphorylation. (d) Glycolysis produces most of the ATP required by aerobic organisms like us.

Select which of the following enzymes unique to glycolysis are also sites of regulation for glycolysis. Select all that apply. a) glyceraldehyde 3 P dehydrogenase b) PFK c) pyruvate kinase d) hexokinase e) enolase f) phosphoglycerate mutase

In the Cori cycle, the lactate product of glycolysis in muscle is transformedback into glucose by the liver. (a) List the enzymes involved in the lactate → glucose pathway. (b) What is the net gain/loss of ATP for one round of the Cori cycle (glucose → lactate → glucose)?

Each of the following molecules is processed by glycolysis to lactate.How much ATP is generated from each molecule?(a) Glucose 6-phosphate(b) Dihydroxyacetone phosphate(c) Glyceraldehyde 3-phosphate(d) Fructose(e) Sucrose

Regarding cellular metabolism, mark the true statements: (a). Electrons from the oxidation of glycolysis are transferred to O2 in the TCA cycle (b).Flow in the citric acid cycle increases when the intracellular ratio [NADH/NAD+] is high (c).In microbial cells, the glyoxylate pathway indirectly allows the conversion of fatty acids into glucose (d).Anaplerotic reactions are enzymatic reactions whose kinetics do not follow the Michaelis-Menten model. (e).Gluconeogenesis is the pathway of glucose production from different precursors, such as glycerol, some amino acids and lactate

Which of the following statements correctly describes why white muscle fibers do not need is mini mitochondria as red muscle fibers? a) want muscle fibers use anaerobic respiration which does not occur in the mitochondria b) what muscle fibers use anaerobic respiration which requires more efficient mitochondria than aerobic respiration c) white muscle fibers get more oxygen than the red muscle fibers

Glycogen is the major animal storage polysaccharide, and is a polymer of glucose. a) List ALL the biochemical steps involved in storing GLUCOSE as glycogen b) Give NAME/S of the ENZYMES involved in EACH listed step c) What PULLS the reaction forward? d) Give the NAME of the tissue where these steps occur. (HINT: remember glycogen is branched chain).

a) Explain in your own words, under what conditions pyruvate is converted into lactic acid (2pt). b) Does lactic acid fermentation occur in all cells of the body? (0.5pt). c) Explain in your own words your answer to part (b) (1pt) Answers must be in full sentences, include correct grammar and spelling, and contain biological correct information (0.5pt).

Which of these are the products of the complete oxidation of glucose by cellular respiration? a) water, carbon dioxide, ATP b) sugar, oxygen, ATP c) oxygen, carbon dioxide, ATP d) Water, carbon dioxide, heat and light e) carbon dioxide and water

Oxidative phosphorylation occurs during which of the following components of glucose metabolism?   Choose one from the following: (A) glycolysis (B) intermediate step (C) citric acid cycle (D) electron transport