Ptyalin (salivary amylase)
Function – Breaks down starch to maltose
sharon kalunda answered the question on May 29, 2019 at 06:37
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State two mechanism that hinders self pollination in flowering plants.
(Solved)
State two mechanism that hinders self pollination in flowering plants.
Date posted:
May 29, 2019
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Answers (1)
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Define Turgidity.
(Solved)
Define Turgidity.
Date posted:
May 29, 2019
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Answers (1)
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The diagram below represents a set-up to investigate a certain physiological process.
After some time the level of sugar solution was observed to have risen.
a) What...
(Solved)
The diagram below represents a set-up to investigate a certain physiological process.
After some time the level of sugar solution was observed to have risen.
a) What physiological process was being investigated.
b) Account for the rise in the level of sugar solution.
c) Suggest the result that would be observed if the experiment was repeated using a piece of boiled potato.
Date posted:
May 29, 2019
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Answers (1)
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Name one defect of non-disfunction chromosomal mutation.
(Solved)
Name one defect of non-disfunction chromosomal mutation.
Date posted:
May 29, 2019
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Answers (1)
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The diagram below represents a gill of a bony fish . Study it and answer the questions that follow.
Give the function of each of the...
(Solved)
The diagram below represents a gill of a bony fish . Study it and answer the questions that follow.
Give the function of each of the lablled parts A, B and C
Date posted:
May 29, 2019
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Answers (1)
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State two ways through which a baby may attain natural immunity.
(Solved)
State two ways through which a baby may attain natural immunity.
Date posted:
May 29, 2019
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Answers (1)
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Name the cell organelles that Selectively control movement of substances in and out of the cell.
(Solved)
Name the cell organelles that Selectively control movement of substances in and out of the cell.
Date posted:
May 29, 2019
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Answers (1)
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Name the cell organelles that Contain chromosomes.
(Solved)
Name the cell organelles that Contain chromosomes.
Date posted:
May 29, 2019
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Answers (1)
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State two distinguishing features of members of the phylum chordata.
(Solved)
State two distinguishing features of members of the phylum chordata.
Date posted:
May 29, 2019
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Answers (1)
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A form three on a field trip collected termites and brought them to the laboratory. State two characteristics features thatwould enable her to group them...
(Solved)
A form three on a field trip collected termites and brought them to the laboratory. State two characteristics features that would enable her to group them under phylum arthropoda.
Date posted:
May 29, 2019
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Answers (1)
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Give a reason why ammonia is converted to urea.
(Solved)
Give a reason why ammonia is converted to urea.
Date posted:
May 29, 2019
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Answers (1)
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The diagram below shows half a flower.
(a) Identify the structure that develop into a fruit wall after fertilization.
(b) Name the structure labelled B and...
(Solved)
The diagram below shows half a flower.
(a) Identify the structure that develop into a fruit wall after fertilization.
(b) Name the structure labelled B and F.
(c) What is the function of the structure labelled G?
Date posted:
May 28, 2019
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Answers (1)
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How do the etiolated plant differ from the normal plant?
(Solved)
How do the etiolated plant differ from the normal plant?
Date posted:
May 28, 2019
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Answers (1)
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Name the part of an organelle where the Photolysis of water occur;
(Solved)
Name the part of an organelle where the Photolysis of water occur;
Date posted:
May 28, 2019
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Answers (1)
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Name the part of an organelle where the Carbon IV oxide fixation occur;
(Solved)
Name the part of an organelle where the Carbon IV oxide fixation occur;
Date posted:
May 28, 2019
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Answers (1)
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Explain why Blood group AB is a universal recipient.
(Solved)
Explain why Blood group AB is a universal recipient.
Date posted:
May 28, 2019
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Answers (1)
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Explain why Blood group O is a universal donor.
(Solved)
Explain why Blood group O is a universal donor.
Date posted:
May 28, 2019
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Answers (1)
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Below are photographs of specimens obtained from plants. Examine the photographs.
(a) For each of the specimens, name the mode of pollination and the features that...
(Solved)
Below are photographs of specimens obtained from plants. Examine the photographs.
(a) For each of the specimens, name the mode of pollination and the features that adapt the spaciments to the mode of pollination.
Specimen R
- Mode of pollination.
- Adaptive features.
Specimen S1
- Mode of pollination.
- Adaptive features.
(b) Label any four parts on specimen R.
(c) Name the structure labeled X on specimen S1.
(d) Using observable features only state two differences between R and S1.
(e) With a reason, name the class of the spermatophyta to which specimen R and S2 belongs.
Specimen R.
Class
Reason
Specimen S2.
Class
Reason
Date posted:
May 28, 2019
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Answers (1)
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a)Construct a dichotomous key to key out the following organisms using the following steps
Step 1: Body covering
Step 2: Animal with 3pairs of walking limbs or...
(Solved)
a)Construct a dichotomous key to key out the following organisms using the following steps
Step 1: Body covering
Step 2: Animal with 3pairs of walking limbs or more
Step 3: Animals with four pairs of legs
Step 4 : Number of walking limbs per segment.
b) With reasons state the class to which the organisms belong.
i) S. gregaria
ii) S. coleopata
Date posted:
May 28, 2019
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Answers (1)
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a)A student from Kegonga used a microscope with X40 objective lens and X5 eye piece lens which had 2mm radius and
counted 5 cells. Calculate the...
(Solved)
a)A student from Kegonga used a microscope with X40 objective lens and X5 eye piece lens which had 2mm radius and
counted 5 cells. Calculate the area of the field of view in micrometers.
b) What is the average size of the cell in micrometers?
Date posted:
May 28, 2019
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Answers (1)