-Thin epithelium/one
-Cell thick.
-Highly vascularised to,
steve williams answered the question on November 15, 2017 at 23:02
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Two equal strips A and B were from a potato whose cell was 30% of sugar. The strip A was placed in a solution of...
(Solved)
Two equal strips A and B were from a potato whose cell was 30% of sugar. The strip A was placed in a solution of 10% sugar concentration while strip B was placed in 50% sugar concentration. a) What change was expected in strips A and B?
Date posted:
November 15, 2017
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Answers (1)
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Explain why amoeba does not have a specialized structure for gaseous exchange.
(Solved)
Explain why amoeba does not have a specialized structure for gaseous exchange.
Date posted:
November 14, 2017
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Answers (1)
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Name two digestive enzymes that work best at acidic conditions in human body.
(Solved)
Name two digestive enzymes that work best at acidic conditions in human body.
Date posted:
November 12, 2017
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Answers (1)
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State the excretory products of plants and some of their economic importances
(Solved)
State the excretory products of plants and some of their economic importances.
Date posted:
November 10, 2017
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Answers (1)
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Name one cell organelle found in the actively respiring tissues
(Solved)
Name one cell organelle found in the actively respiring tissues
Date posted:
November 8, 2017
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Answers (1)
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Explain how plants can eliminate metabolic waste products
(Solved)
Explain how plants can eliminate metabolic waste products
Date posted:
November 8, 2017
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Answers (1)
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In an experiment to investigate a factor affecting photosynthesis a potted plant was kept in the dark overnight and then exposed to sunlight with the...
(Solved)
In an experiment to investigate a factor affecting photosynthesis a potted plant was kept in the dark overnight and then exposed to sunlight with the leaf covered in a transparent flask containing sodium hydroxide pellets
a)Why was the potted plant kept in the dark?
b)State the factor being investigated in the experiment
c)State the results obtained in the leaf
d)Explain the results
Date posted:
November 7, 2017
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Answers (1)
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What are the adaptations of the xylem vessels in the transportation of water in a plant?
(Solved)
What are the adaptations of the xylem vessels in the transportation of water in a plant?
Date posted:
November 7, 2017
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Answers (1)
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Describe how a male reproductive system is adapted to its functions.
(Solved)
This is an essay on human male reproductive system.
Date posted:
November 7, 2017
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Answers (1)
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Explain how structural features in terrestrial plants affect their rate of transpiration
(Solved)
Explain how structural features in terrestrial plants affect their rate of transpiration
Date posted:
November 4, 2017
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Answers (1)
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Explain why individual with smaller sizes require more energy per kg of body weight than those with large sizes
(Solved)
Explain why individual with smaller sizes require more energy per kg of body weight than those with large sizes
Date posted:
November 3, 2017
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Answers (1)
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Identify the type of mutation represented by the following pairs of words
Shirt instead of skirt
Hoping instead of shopping
Eating instead of tea
(Solved)
Identify the type of mutation represented by the following pairs of words
Shirt instead of skirt
Hoping instead of shopping
Eating instead of tea
Date posted:
November 3, 2017
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Answers (1)
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State three functions of the mammalian blood other than transport
(Solved)
State three functions of the mammalian blood other than transport
Date posted:
November 2, 2017
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Answers (1)
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Describe how the leaves of green plants are adapted to their photosynthetic functions.
(Solved)
Describe how the leaves of green plants are adapted to their photosynthetic functions.
Date posted:
October 31, 2017
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Answers (1)
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Name three types of placentation in plants
(Solved)
Name three types of placentation in plants
Date posted:
October 27, 2017
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Answers (1)
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Name the nitrogenous waste product excreted by a fresh water fish.
(Solved)
Name the nitrogenous waste product excreted by a fresh water fish.
Date posted:
October 27, 2017
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Answers (1)
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Explain why a person discharges urine more frequently when environmental temperatures are low than when they are high.
(Solved)
Explain why a person discharges urine more frequently when environmental temperatures are low than when they are high.
Date posted:
October 27, 2017
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Answers (1)
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Give two reasons why higher animals need an internal transport system
(Solved)
Give two reasons why higher animals need an internal transport system
Date posted:
October 27, 2017
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Answers (1)
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State two ways in which the ileum is structurally adapted to the absorption of digested food
(Solved)
State two ways in which the ileum is structurally adapted to the absorption of digested food
Date posted:
October 27, 2017
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Answers (1)
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A new born baby has generally a heartbeat of 120 to 140 per minute while that of adult is 70 minutes on average. Account for...
(Solved)
A new born baby has generally a heartbeat of 120 to 140 per minute while that of adult is 70 minutes on average. Account for the difference.
Date posted:
October 27, 2017
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Answers (1)