Homework Answers
iii) Ventilatory threshold is the point at which the rate of breathing increases rapidly which may be due to increase in the intensity of the exercise or other extreme physical activities. The uptake of oxygen is less compared to exhalation of carbon dioxide which is much higher due to increased cellular respiration.
Lactate threshold is the point at which there is sudden increase in the concentration of lactate in the blood due to cellular respiration which occurs in the absence of oxygen in order to meet the energy demands at high intensity levels of physical activities.
Anaerobic threshold is the point at which almost all the energy requirements of the body is met by means of anaerobic cellular respiration.
iv) Ventilatory and lactate threshold are similar because increase in lactate concentration is directly related to increase in ventilation where both results from increased cellular respiration. Also lactate threshold is due to anaerobic respiration where there is demand for oxygen in the body.
All the three are interrelated to each other as increased physical activity causes increased cellular respiration which results in low oxygen levels, anaerobic respiration and high lactate levels
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iii. How are ventilatory, lactate, and anaerobic thresholds different from one another? iv. How are ventilatory,...
"In many different species, lactate dehydrogenase (LDH) constitues a major checkpoint of anaerobic glycolysis, by catalyzing...
"In many different species, lactate dehydrogenase (LDH) constitues a major checkpoint of anaerobic glycolysis, by catalyzing the reduction of pyruvate into lactate. This enzyme has recently received a great deal of attention since it may constitute a valid therapeutic target for diseases so different as malaria and cancer. In fact, the isoform expressed by Plasmodium falciparum (pfLDH) is a key enzyme for energy generation of malarial parasites. These species mostly depend on anaerobic glycolysis for energy production, since they lack...
The figures below show the two different types of anaerobic respiration: alcoholic fermentation (left) and lactate...
The figures below show the two different types of anaerobic respiration: alcoholic fermentation (left) and lactate fermentation (right). Read the descriptions in the table that follows, and then select whether each statement describes alcoholic fermentation, lactate fermentation, or both. Check all that apply. COCO glucose 2 NAD GOGOGG glucose 2 NAD+ 2 NADH NADH OG @CC pyruvate COO Co pyruvate Glycolysis Glycolysis Alcoholic Fermentation 200, Lactate Fermentation 2 NADH Сс NAD аа acetaldehyde NADH lactate 2 NAD © ethanol Alcoholic...
Table 3. Model for oxygen consumption at ventilatory anaerobic threshold (VO VAT) prediction from pelvic floor...
Table 3. Model for oxygen consumption at ventilatory anaerobic threshold (VO VAT) prediction from pelvic floor muscles (PFM) strength and age. Variable Coefficient Standard error P value Constant PFM strength (by perineometer, cmH20) Age (years) 12.248 0.0441 -0.0252 1.068 0.0123 0.019 <0.001 0.001 0.16 Reference equation: VO VAT(mL. kg min ") = 12.248 + (0.0441 x PFM strength) - (0.0252 x Age). Estimated error: 1.916. R?=0.32 (RP-equation power). a. Given these results, describe the relationship between PFM strength and aerobic...
of the alkenes below (I-IV), which one is the most stable? = III IV III ON...
of the alkenes below (I-IV), which one is the most stable? = III IV III ON
Discuss the different types of apneas and explain how the scoring criteria vary from one another.
Discuss the different types of apneas and explain how the scoring criteria vary from one another.
How do constitutional isomers differ from one another? A) Different types of atoms in the molecule....
How do constitutional isomers differ from one another? A) Different types of atoms in the molecule. B) The order in which atoms are bonded to one another. C) The number of hydrogen atoms in the molecules. D) The spatial arrangement of the atoms. E) The molecular formulas used to describe them.
Of the alkenes below (I-IV), which one is the most stable? I II III IV IV...
Of the alkenes below (I-IV), which one is the most stable? I II III IV IV
19. How are Welfare, Guaranteed Income Level programs and Market Oriented programs different from one another?
19. How are Welfare, Guaranteed Income Level programs and Market Oriented programs different from one another?
12. How are glycolysis, ethanol fermentation, and lactate fermentation all related? A. All are regulated by...
12. How are glycolysis, ethanol fermentation, and lactate fermentation all related? A. All are regulated by the ATP/ADP mass-action ratio. D. All three produce carbon dioxide. B. All can occur in anaerobic conditions. E. All require the presence of oxygen. C. All three produce NADH. 13. Which is the most exothermic reaction of glycolysis under standard conditions? A. Enolase B. Triose phosphate isomerase C. Pyruvate kinase D. Phosphofructokinase-1 E. Aldolase
5. Which one of the following is nonaromatic? III IV I II A. IV B. I...
5. Which one of the following is nonaromatic? III IV I II A. IV B. I C. II D. III E. None 6. Which is the correct bond order for the C-C bonds in benzene? 1.0 20 1.25 1.75 1.5 1.5 20 10 A. III B. C. IV D. II E. None
The figures below show the two different types of anaerobic respiration: alcoholic fermentation (left) and lactate fermentation (right). Read the descriptions in the table that follows, and then select whether each statement describes alcoholic fermentation, lactate fermentation, or both. Check all that apply. COCO glucose 2 NAD GOGOGG glucose 2 NAD+ 2 NADH NADH OG @CC pyruvate COO Co pyruvate Glycolysis Glycolysis Alcoholic Fermentation 200, Lactate Fermentation 2 NADH Сс NAD аа acetaldehyde NADH lactate 2 NAD © ethanol Alcoholic...
Table 3. Model for oxygen consumption at ventilatory anaerobic threshold (VO VAT) prediction from pelvic floor muscles (PFM) strength and age. Variable Coefficient Standard error P value Constant PFM strength (by perineometer, cmH20) Age (years) 12.248 0.0441 -0.0252 1.068 0.0123 0.019 <0.001 0.001 0.16 Reference equation: VO VAT(mL. kg min ") = 12.248 + (0.0441 x PFM strength) - (0.0252 x Age). Estimated error: 1.916. R?=0.32 (RP-equation power). a. Given these results, describe the relationship between PFM strength and aerobic...
of the alkenes below (I-IV), which one is the most stable? = III IV III ON
How do constitutional isomers differ from one another? A) Different types of atoms in the molecule. B) The order in which atoms are bonded to one another. C) The number of hydrogen atoms in the molecules. D) The spatial arrangement of the atoms. E) The molecular formulas used to describe them.
Of the alkenes below (I-IV), which one is the most stable? I II III IV IV
12. How are glycolysis, ethanol fermentation, and lactate fermentation all related? A. All are regulated by the ATP/ADP mass-action ratio. D. All three produce carbon dioxide. B. All can occur in anaerobic conditions. E. All require the presence of oxygen. C. All three produce NADH. 13. Which is the most exothermic reaction of glycolysis under standard conditions? A. Enolase B. Triose phosphate isomerase C. Pyruvate kinase D. Phosphofructokinase-1 E. Aldolase
5. Which one of the following is nonaromatic? III IV I II A. IV B. I C. II D. III E. None 6. Which is the correct bond order for the C-C bonds in benzene? 1.0 20 1.25 1.75 1.5 1.5 20 10 A. III B. C. IV D. II E. None
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