Homework Answers
Option C is correct
It breaks down H2O2 to make water and oxygen. Catalase uses hydrogen peroxide as a substrate, a nonradical reactive oxygen species and it is responsible for neutralization through decomposition of H2O2 and maintaing the optimum level of molecules in cell.
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Which of the following is the function of catalase? It gets rid of reactive oxygen by...
10. Catalase is an enzyme that breaks down hydrogen peroxide into water and oxygen. A solution...
10. Catalase is an enzyme that breaks down hydrogen peroxide into water and oxygen. A solution containing catalase would show a positive result when: * O The solution is tested using the grease spot test O Biuret's reagent is added to the solution O Ninhydrin is added to the solution O Lugol's lodine is added to the solution O Benedict's reagent is added to the solution O This is a required question
How many moles of carbon monoxide are required to react completely with 38.4 L of oxygen...
How many moles of carbon monoxide are required to react completely with 38.4 L of oxygen gas according to the following reaction at 0°C and 1 atm? carbon monoxide (g oygen(grbon dioxide (g) moles carbon monoxide How many moles of hydrogen peroxide (H202) are needed to produce 26.7 L of oxygen gas according to the following reaction at o °C and I atm? hydrogen peroxide (HiO2) (aq)water (+ oxgen(g) moles hydrogen peroxide (H202)
Question 17 1 pts True or False: Catalase protects bacteria from toxic reactive oxygen species which...
Question 17 1 pts True or False: Catalase protects bacteria from toxic reactive oxygen species which may cause oxidative damage to cells. O True O False
When a cell breaks down glucose to produce ATP lots of hydrogen ions are produced. When...
When a cell breaks down glucose to produce ATP lots of hydrogen ions are produced. When a lot of hydrogen ions are present in a solution, that solution is an acid. If a lot of acid is present a cell would die. How does a living cell get rid of all the hydrogen ions that id produces while making ATP? It combines the hydrogen ions with oxygen to make water. It uses the hydrogen ions to produce the carbon dioxide...
PART A- Observe Normal Catalase Reaction To determine the volume of oxygen released in ml) during...
PART A- Observe Normal Catalase Reaction To determine the volume of oxygen released in ml) during the degradation of H202 by catalase, you will first do trials using the set-up in Fig. 1. 1. Place 10 ml of the 3% hydrogen peroxide solution into a clean bottle 2. Add quickly catalase containing solution. 3. What gas is being released? 4. Throughout this investigation you will estimate the rate of the reaction (by measuring the volume of water displaced by O2...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
Which statement about generation of reactive oxygen species below is NOT correct? Select one: a. ...
Which statement about generation of reactive oxygen species below is NOT correct? Select one: a. Hydroxyl radical is formed from hydrogen peroxide O b. Hydroxyl radical can react with lipides O c. Hydroxyl radical can react with DNA and proteins O d. Hydroxyl radical react with hydrogen peroxide O e. Hydroxyl radical react with glutathione Check Estimate how many molecules of ATP is produced from complete oxidation of 1 molecule of tyrosine Answer: Check
Which statement about generation of reactive...
Which statement about generation of reactive oxygen species below is NOT correct? Select one: a. Hydroxyl...
Which statement about generation of reactive oxygen species below is NOT correct? Select one: a. Hydroxyl radical is formed from hydrogen peroxide O b. Hydroxyl radical can react with lipides O c. Hydroxyl radical can react with DNA and proteins O d. Hydroxyl radical react with hydrogen peroxide O e. Hydroxyl radical react with glutathione Check Estimate how many molecules of ATP is produced from complete oxidation of 1 molecule of tyrosine Answer: Check
Hydrogen peroxide decomposes spontaneously to yield water and oxygen gas according to the following reaction equation...
Hydrogen peroxide decomposes spontaneously to yield water and oxygen gas according to the following reaction equation 24,0,(aq) → 2H0(i) +0,(8) The activation energy for this reaction is 75 kJ. mol. The enzyme catalase (found in blood) lowers the activation energy to 8.0 kJ. mol-1 At what temperature would the non-catalyzed reaction need to be run to have a rate equal to that of the enzyme-catalyzed reaction at 25°C? Number
Hemoglobin function II Oxygen is carried by hemoglobin molecules, while carbon dioxide is transported within the...
Hemoglobin function II Oxygen is carried by hemoglobin molecules, while carbon dioxide is transported within the interior of red blood cells as carbonic acid. Label the following diagrams to describe these processes. 1.25 points hemoglobin НЬО, carbonic anhydrase oxyhemoglobin bicarbonate ion carbonic acid eBook References Hb + 02 oxygen HCO3- - H2CO3 H+ + hydrogen ion → H2O + coz water carbon dioxide
10. Catalase is an enzyme that breaks down hydrogen peroxide into water and oxygen. A solution containing catalase would show a positive result when: * O The solution is tested using the grease spot test O Biuret's reagent is added to the solution O Ninhydrin is added to the solution O Lugol's lodine is added to the solution O Benedict's reagent is added to the solution O This is a required question
How many moles of carbon monoxide are required to react completely with 38.4 L of oxygen gas according to the following reaction at 0°C and 1 atm? carbon monoxide (g oygen(grbon dioxide (g) moles carbon monoxide How many moles of hydrogen peroxide (H202) are needed to produce 26.7 L of oxygen gas according to the following reaction at o °C and I atm? hydrogen peroxide (HiO2) (aq)water (+ oxgen(g) moles hydrogen peroxide (H202)
Question 17 1 pts True or False: Catalase protects bacteria from toxic reactive oxygen species which may cause oxidative damage to cells. O True O False
PART A- Observe Normal Catalase Reaction To determine the volume of oxygen released in ml) during the degradation of H202 by catalase, you will first do trials using the set-up in Fig. 1. 1. Place 10 ml of the 3% hydrogen peroxide solution into a clean bottle 2. Add quickly catalase containing solution. 3. What gas is being released? 4. Throughout this investigation you will estimate the rate of the reaction (by measuring the volume of water displaced by O2...
27) Which one of the following best describes the electron transport chain? A) Electrons are passed from one carrier to another releasing a little energy at each B) Hydrogen atoms are added to CO2 to make an energy-rich compound. C) Electrons are pumped across a membrane by active transport. D) Glucose is broken down to a three-carbon compound 28) After completion of the citric acid cycle, most of the usable energy from the one molecule is in the form of...
Which statement about generation of reactive oxygen species below is NOT correct? Select one: a. Hydroxyl radical is formed from hydrogen peroxide O b. Hydroxyl radical can react with lipides O c. Hydroxyl radical can react with DNA and proteins O d. Hydroxyl radical react with hydrogen peroxide O e. Hydroxyl radical react with glutathione Check Estimate how many molecules of ATP is produced from complete oxidation of 1 molecule of tyrosine Answer: Check
Which statement about generation of reactive...
Which statement about generation of reactive oxygen species below is NOT correct? Select one: a. Hydroxyl radical is formed from hydrogen peroxide O b. Hydroxyl radical can react with lipides O c. Hydroxyl radical can react with DNA and proteins O d. Hydroxyl radical react with hydrogen peroxide O e. Hydroxyl radical react with glutathione Check Estimate how many molecules of ATP is produced from complete oxidation of 1 molecule of tyrosine Answer: Check
Hydrogen peroxide decomposes spontaneously to yield water and oxygen gas according to the following reaction equation 24,0,(aq) → 2H0(i) +0,(8) The activation energy for this reaction is 75 kJ. mol. The enzyme catalase (found in blood) lowers the activation energy to 8.0 kJ. mol-1 At what temperature would the non-catalyzed reaction need to be run to have a rate equal to that of the enzyme-catalyzed reaction at 25°C? Number
Hemoglobin function II Oxygen is carried by hemoglobin molecules, while carbon dioxide is transported within the interior of red blood cells as carbonic acid. Label the following diagrams to describe these processes. 1.25 points hemoglobin НЬО, carbonic anhydrase oxyhemoglobin bicarbonate ion carbonic acid eBook References Hb + 02 oxygen HCO3- - H2CO3 H+ + hydrogen ion → H2O + coz water carbon dioxide
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