QUESTION 30The role of antioxidants is toimprove our health by removing damaging free radicals.increase the energy utilization at the cellular level.increase the body s basal metabolism.improve our health by increasing the body s ability to absorb vitamins.OOO QUESTION 27What is the role of vitamins? Theyserve as structural elements.facilitate the action of enzymes.provide fuel for energy.store other nutrients.

30. The function of antioxidant is - improve our health by removing damaging free radicals ( Free…

Answered: QUESTION 30 The role of antioxidants is…

Phlebotomy Essentials

6th Edition

ISBN:9781451194524

Author:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Publisher:Ruth McCall, Cathee M. Tankersley MT(ASCP)

Chapter1: Phlebotomy: Past And Present And The Healthcare Setting

Section: Chapter Questions

Problem 1SRQ

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Quèstion 78 An organism with lower surface-to-volume ratio will likely lose body heat to the environment slower. produce less heat the organism can use. lose body heat to the environment faster. gain heat from the environment more quickly.
QUESTION 11 The reaction shown here ATP +H2O --> ADP + Pi is an example of a reduction reaction. the part that produces energy to drive endergonic reactions. the part that uses energy from endergonic reactions. an oxidation reaction. O O
Question 7 The malate transporter in the mitochondrial inner membrane is involved in two important biochemical processes: one catabolic, and one anabolic. What are they? Transport of NAD* from glycolysis from the cytosol to the matrix for oxidative phosphorylation, and the last step of glycolysis O A. The citric acid cycle, and the last step of glycolysis OB. The glycerol 3-phosphate shuttle system, and the first gluconeogenesis bypass Transport of FADH, from beta oxidation from the cytosol to the matrix for oxidative phosphorylation, and the first gluconeogenesis bypass OF Transport of NADH from glycolysis from the cytosol to the matrix for oxidative phosphorylation, and the first gluconeogenesis bypass
Question 27 The biggest challenge for a saltwater fish swimming into an estuary from the ocean is the temperature change that would stress the fish by denaturing its proteins. the high water flow that would make the fish expend more energy. the low oxygen content that would give the fish difficulty in swimming aerobically. the change in water solute content that would challenge the osmotic balance of the fish.
QUESTION 52 An organism is discovered that thrives in both the presence and absence of oxygen in the air. Curiously, the consumption of sugar increases as oxygen is removed from the organism's environment, even though the organism does not gain much weight. This organism O a. is photosynthetic O b. is a normal member of the animal kingdom O c. must utilize a molecule other than oxygen to accept electrons from the electron transport chain O d. only performs fermentation to make ATP
Question 16 In the skeletal muscle, insulin increases fatty acid synthesis by up regulation of which pathway? O A. Oxidative phosphorylation O B. Glycolysis O C. Glycogenesis O D. Lipolysis O E. B oxidization
QUESTION 2 AG of a reaction is influenced by the temperature at which the reaction takes place. This is due to the fact that increasing temperature increases the effect of which of the following variables in calculating AG? O bond energy O enthalpy O entropy O the rate constant
Question 15 Which atom will have the largest oxidation state; F-, the sodium in NaCl, the calcium in CaCl2, or the oxygen in H2O? O Na O F
Question 8 Which of the following is NOT a characteristic of aerobic metabolism? O A. Carbon dioxide is produced in the matrix of the mitochondria. O B. Oxygen is reduced to water by the electron transport chain. C. Lactic acid is produced in the cytoplasm. OD. ATP synthase requires a pH gradient O E. The electron transport chain functions as hydrogen ion pumps. mennes Mausantara **** Eminem
QUESTION 18 Which of the following reactions is energetically favorable? The formation of peptide bonds O The addition of a phosphate.group to ADP O The breaking of glycosidic bonds O The formation of phosphodiester bonds
Question 35 Your well-meaning friend tells you that you should eat lots of sugar about 30 minutes before you run a 5 km race because that's what your body needs to use for energy. Why is this NOT a good idea? it will increase insulin and impair both fat breakdown and liver glucose output at the start of exercise O it will stop you from using your phosphocreatine stores your body cannot absorb any sugar in the small intestine during exercise
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QUESTION 30 The role of antioxidants is to O improve our health by removing damaging free radicals. increase the energy utilization at the cellular level. increase the body s basal metabolism. O improve our health by increasing the body s ability to absorb vitamins.