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(a) - Most enzymes in the body function within a narrow range of temperature
- High temperature denature enzymes
- Low temperature inactivate enzymes
(b) Sugar is a raw material for respiration; hence a low blood sugar level means less or low energy available to the body thus a low rate of metabolism
johnmulu answered the question on May 4, 2017 at 12:53
- A person was found to pass out large volumes of dilute urine frequently. Name the (a) Disease the person was suffering from, (b) Hormone that was deficient (Solved)
A person was found to pass out large volumes of dilute urine frequently. Name the (a) Disease the person was suffering from, (b) Hormone that was deficient
Date posted: May 4, 2017. Answers (1)
- State the economic importance of anaerobic respiration in plants. (Solved)
State the economic importance of anaerobic respiration in plants.
Date posted: May 4, 2017. Answers (1)
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The diagram below shows an experimental set-up to investigate a certain physiological process in plants .
(a) State the aim of the experiment
(b) Account for the expected colour change in tube F.
Date posted: May 4, 2017. Answers (1)
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State two reasons why accumulation of lactic acids leads to an increase in heartbeat.
Date posted: May 4, 2017. Answers (1)
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Name the three end products of anaerobic respiration in plants.
Date posted: May 4, 2017. Answers (1)
- The diagram below represents a set-up that students used in an investigation.
(Solved)
The diagram below represents a set-up that students used in an investigation.
(a) Name the physiological process that was being investigated.
(b) State the role of potassium hydroxide in flask K.
Date posted: May 4, 2017. Answers (1)
- (a) Name the type of respiration that is most efficient.
(b) Give a reason for your answer in (a) above(Solved)
(a) Name the type of respiration that is most efficient.
(b) Give a reason for your answer in (a) above
Date posted: May 4, 2017. Answers (1)
- (a) Give two differences in the products of anaerobic respiration between plants and animals.
(b) Name the site of anaerobic respiration in a cell. (Solved)
(a) Give two differences in the products of anaerobic respiration between plants and animals.
(b) Name the site of anaerobic respiration in a cell.
Date posted: May 4, 2017. Answers (1)
- In an experiment, disinfected soaked bean seeds were put in a vacuum flask which was then fitted with a thermometer as shown in the diagram below.(Solved)
In an experiment, disinfected soaked bean seeds were put in a vacuum flask which was then fitted with a thermometer as shown in the diagram below.
The temperature reading were taken every morning for three consecutive days
(a) Which process was being investigated?
(b) Why were the seeds disinfected?
(c) Why was a vacuum flask used in the set-up?
(d) How would a control for this experiment be set?
Date posted: May 4, 2017. Answers (1)
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State two ways in which anaerobic respiration is applied in industries
Date posted: May 4, 2017. Answers (1)
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How are the mitochondria adapted their functions?
Date posted: May 4, 2017. Answers (1)
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Date posted: May 4, 2017. Answers (1)
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Explain what happens when there is oxygen debt in human muscles
Date posted: May 4, 2017. Answers (1)
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Give three factors that determine the amount of energy a human being require in a day
Date posted: May 4, 2017. Answers (1)
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(i) Plants(ii) Animals
(b) What is oxygen debt?(Solved)
(a) Name the products of anaerobic respiration in
(i) Plants(ii) Animals
(b) What is oxygen debt?
Date posted: May 4, 2017. Answers (1)
- (a) A dog weighing 15.2 kg requires 216kj while a mouse weighing 50g requires 2736kj per day. Explain.
(b) What is the end-product of respiration in animals when there is insufficient oxygen supply?(Solved)
(a) A dog weighing 15.2 kg requires 216kj while a mouse weighing 50g requires 2736kj per day. Explain.
(b) What is the end-product of respiration in animals when there is insufficient oxygen supply?
Date posted: May 4, 2017. Answers (1)
- (a) In what form is energy stored in muscles.
(b) State the economic importance of anaerobic respiration in plants. (Solved)
(a) In what form is energy stored in muscles.
(b) State the economic importance of anaerobic respiration in plants.
Date posted: May 4, 2017. Answers (1)
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Name the substance which accumulates in muscles when respiration occurs with insufficient oxygen.
Date posted: May 4, 2017. Answers (1)
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Other than carbon dioxide, name other products of anaerobic respiration
Date posted: May 4, 2017. Answers (1)
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Give two reasons why accumulation of lactic acid during vigorous exercise leads to an increase in heartbeat.
Date posted: May 4, 2017. Answers (1)