i)To make the specimen to be distinct
ii)To obtain thin sections
iii)To allow light to penetrate through the specimen
iv)To maintain the cells of the specimen turgid.
Biokenya answered the question on December 7, 2017 at 14:07
-
In an experiment,glucose solution was heated then cooled before adding yeast solution.The gas produced was passed through a solution of lime water.
(Solved)
In an experiment,glucose solution was boiled and then allowed to cool before adding yeast suspension.A thin layer of oil was then added on top.The gas produced was then bubbled through a solution of lime water.
a)Explain why
i)Glucose was boiled
ii)Glucose solution was cooled
iii)A thin layer was added on top
b)State the expected results
c)Explain the result in (b) above.
d)Exolain how a control experiment can be set.
Date posted:
December 7, 2017
.
Answers (1)
-
State three characteristics of subphylum
(Solved)
State three characteristics of subphylum
Date posted:
December 7, 2017
.
Answers (1)
-
State three segments of thorax found in insects
(Solved)
State three segments of thorax found in insects.
Date posted:
December 7, 2017
.
Answers (1)
-
Give any six literary forms used in writing the bible giving examples of each.
(Solved)
Give any six literary forms used in writing the bible giving examples of each.
Date posted:
December 7, 2017
.
Answers (1)
-
State three functions of hindgut in insects
(Solved)
State three functions of hindgut in insects.
Date posted:
December 7, 2017
.
Answers (1)
-
State the two prenatal stages in growth and development of animals
(Solved)
State the two prenatal stages in growth and development of animals.
Date posted:
December 7, 2017
.
Answers (1)
-
State the two divisions of development in insects
(Solved)
State the two divisions of development in insects.
Date posted:
December 7, 2017
.
Answers (1)
-
Name the four enzymes in the intestinal juice and give their functions
(Solved)
Name the four enzymes in the intestinal juice and give their functions.
Date posted:
December 7, 2017
.
Answers (1)
-
Explain what happens during digestion in the duodenum.
(Solved)
Explain what happens during digestion in the duodenum.
Date posted:
December 6, 2017
.
Answers (1)
-
Define the term emulsification.
(Solved)
Define the term emulsification.
Date posted:
December 6, 2017
.
Answers (1)
-
Give the function of bile salts
(Solved)
Give the function of bile salts
Date posted:
December 6, 2017
.
Answers (1)
-
Name two salts contained in bile juice
(Solved)
Name two salts contained in bile juice
Date posted:
December 6, 2017
.
Answers (1)
-
Give the function of sodium hydrogen carbonate found in pancreatic juice.
(Solved)
Give the function of sodium hydrogen carbonate found in pancreatic juice.
Date posted:
December 6, 2017
.
Answers (1)
-
Name three digestive hormones contained in pancreatic juice and briefly explain their functions
(Solved)
Name three digestive hormones contained in pancreatic juice and briefly explain their functions.
Date posted:
December 6, 2017
.
Answers (1)
-
Explain the digestion of food in the stomach
(Solved)
Explain the digestion of food in the stomach.
Date posted:
December 6, 2017
.
Answers (1)
-
The gastric juice contains two enzymes. Name them and state their functions
(Solved)
The gastric juice contains two enzymes. Name them and state their functions.
Date posted:
December 6, 2017
.
Answers (1)
-
Define the term peristalsis
(Solved)
Define the term peristalsis
Date posted:
December 6, 2017
.
Answers (1)
-
Explain what happens during digestion of food in the mouth.
(Solved)
Explain what happens during digestion of food in the mouth.
Date posted:
December 6, 2017
.
Answers (1)
-
Give the functions of the following: (i) Tongue (ii) Saliva (iii)Teeth
(Solved)
Give the functions of the following:
(i) Tongue
(ii) Saliva
(iii) Teeth
Date posted:
December 6, 2017
.
Answers (1)
-
Name the three types of salivary glands and state where they are found.
(Solved)
Name the three types of salivary glands and state where they are found.
Date posted:
December 6, 2017
.
Answers (1)