(a) Effect of temperature on enzymes ;
(b) So that contents of the tubes will have attained the temperature of the waterbath.
(c) A - Would turn blue black
B - Would turn brown / colour of iodine remained
C - Would turn blue black
(d) A - Very low temperature which inactivated enzyme / ptyalin / salivary amylase thus no digestion of starch.
B - Suitable temperature / favourable temperature / optimum / best temperature for activity of enzyme /salivary /amylase / ptyalin thus starch digested.
C - Temperature high / above optimum thus denaturing enzyme thus no digestion of starch.
sharon kalunda answered the question on March 21, 2019 at 14:12
-
What biological knowledge or study is required in dealing with locusts that infest a maize crop.
(Solved)
What biological knowledge or study is required in dealing with locusts that infest a maize crop.
Date posted:
March 21, 2019
.
Answers (1)
-
Describe the digestion, absorption and assimilation of milk in humans.
(Solved)
Describe the digestion, absorption and assimilation of milk in humans.
Date posted:
March 15, 2019
.
Answers (1)
-
Explain the Ways in which erect posture is maintained in a Weak herbaceous stem
(Solved)
Explain the Ways in which erect posture is maintained in a Weak herbaceous stem
Date posted:
March 14, 2019
.
Answers (1)
-
State two differences between biceps and muscles of the intestines.
(Solved)
State two differences between biceps and muscles of the intestines.
Date posted:
March 12, 2019
.
Answers (1)
-
State three ways in which Ascaris lumbricoides adapted to living in its habitat.
(Solved)
State three ways in which Ascaris lumbricoides is adapted to living in its habitat.
Date posted:
March 12, 2019
.
Answers (1)
-
Explain the ways in which a typical cell is adapted to its functions.
(Solved)
Explain the various ways in which a typical cell is adapted to its functions
Date posted:
March 12, 2019
.
Answers (1)
-
The population of fish pond in a pond was estimated using capture-recapture method.
(i)What equipment was used?
(ii)Describe the procedure used in the experiment.
(iii)State the formula...
(Solved)
The population of fish in a pond was estimated using capture-recapture method.
(i)What equipment was used?
(ii)Describe the procedure used in the experiment.
(iii)State the formula for calculating the total population of fish in the pond.
Date posted:
March 10, 2019
.
Answers (1)
-
State the method of dispersal for each of the following fruits:
(i)Orange.
(ii)Sonchus.
(iii)Coconut.
(b)Name the agent of dispersal for the following fruits:
(i)Orange.
(ii)Coconut.
(c)Name a seed dispersed by:
(i)wind.
(ii)Censor mechanism.
(Solved)
(a)State the method of dispersal for each of the following:
(i)Orange.
(ii)Sonchus.
(iii)Coconut.
(b)Name the agent of dispersal for each of the following fruits:
(i)Orange.
(ii)Coconut.
(c)Name a seed dispersed by:
(i)Wind.
(ii)Censor mechanism.
Date posted:
March 2, 2019
.
Answers (1)
-
Explain why several lateral buds sprout when the terminal bud in a young tree is cut off.
(Solved)
Explain why several lateral buds sprout when the terminal bud in a young tree is cut off.
Date posted:
March 2, 2019
.
Answers (1)
-
What are the Economic importance of protoctista?
(Solved)
What are the Economic importance of protoctista?
Date posted:
February 28, 2019
.
Answers (1)
-
Explain how predators are adapted to capture their prey
(Solved)
Explain how predators are adapted to capture their prey
Date posted:
February 18, 2019
.
Answers (1)
-
Explain why xylem vessels have dead cells
(Solved)
Explain why xylem vessels have dead cells
Date posted:
February 18, 2019
.
Answers (1)
-
In an experiment, a piece of brain was removed from a rat.It was later found that the rat had large fluctuation of body temperature. Suggest...
(Solved)
In an experiment, a piece of brain was removed from a rat. It was later found that the rat had large fluctuation of body temperature. Suggest the part of brain which had been removed.
Date posted:
February 15, 2019
.
Answers (1)
-
Explain why adenine and thymine have double bond while cytosine and guanine have triple bond
(Solved)
Explain why adenine and thymine have double bond while cytosine and guanine have triple bond.
Date posted:
January 20, 2019
.
Answers (1)
-
Give two importance of respiratory quotient
(Solved)
Give two importance of respiratory quotient.
Date posted:
January 6, 2019
.
Answers (1)
-
Name two classes of phylum arthropoda with cephalothorax
(Solved)
Name two classes of phylum arthropoda with cephalothorax
Date posted:
December 26, 2018
.
Answers (1)
-
State the economic importance of members of Monera and Fungi and for each economic importance name a suitable or appropriate organism
(Solved)
State the economic importance of members of Monera and Fungi and for each economic importance name a suitable or appropriate organism
Date posted:
December 6, 2018
.
Answers (1)
-
Discuss Lamarck’s and Darwin’s theories of evolution
(Solved)
Discuss Lamarck’s and Darwin’s theories of evolution
Date posted:
December 4, 2018
.
Answers (1)
-
Which organelle is most abundant in white blood cell?
(Solved)
Which organelle is most abundant in white blood cell?
Date posted:
November 13, 2018
.
Answers (1)
-
Explain how mammals regulate their body temperature and relate this to their body size
(Solved)
Explain how mammals regulate their body temperature and relate this to their body size
Date posted:
November 7, 2018
.
Answers (1)