viruses are much smaller in size
viruses lack enzymes needed for synthesis of proteins and nucleic acids
viruses are resistant to antibiotic
viruses posses either DNA or RNA
marlinbito answered the question on February 23, 2019 at 16:36
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State the role of oxytocin in parturition.
(Solved)
State the role of oxytocin in parturition.
Date posted:
February 23, 2019
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Answers (1)
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Name the two bones that articulate with the femur at its distal end.
(Solved)
Name the two bones that articulate with the femur at its distal end.
Date posted:
February 23, 2019
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Answers (1)
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(a)With a reason,state the structure responsible for intermittent growth in an insect.
Structure.......
Reason......
(b)What is the hormone responsible for growth in an insect?
(Solved)
(a)With a reason,state the structure responsible for intermittent growth in an insect.
Structure......
Reason......
(b)What is the hormone responsible for growth in an insect?
Date posted:
February 23, 2019
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Answers (1)
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Name three plant tissues that are involved in support.
(Solved)
Name three plant tissues that are involved in support.
Date posted:
February 22, 2019
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Answers (1)
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State the number of chromosomes found in human somatic cell.
(Solved)
State the number of chromosomes found in human somatic cell.
Date posted:
February 22, 2019
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Answers (1)
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Name three main parts of an animal cell as seen under a light microscope.
(Solved)
Name three main parts of an animal cell as seen under a light microscope.
Date posted:
February 22, 2019
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Answers (1)
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On a hot day the testis hang loosely in the scrotal sac while on a cold day they are held next to the body .Explain...
(Solved)
On a hot day the testis hang loosely in the scrotal sac while on a cold day they are held next to the body. Explain the importance of this behaviour to humans.
Date posted:
February 22, 2019
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Answers (1)
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Distinguish between excretion and egestion
(Solved)
Distinguish between excretion and egestion.
Date posted:
February 22, 2019
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Answers (1)
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State how the gills of a bony fish are structurally adapted for gaseous exchange.
(Solved)
State how the gills of a bony fish are structurally adapted for gaseous exchange.
Date posted:
February 22, 2019
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Answers (1)
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What are the differences between blood in the pulmonary artery and that in pulmonary vein?
(Solved)
What are the differences between blood in the pulmonary artery and pulmonary vein?
Date posted:
February 22, 2019
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Answers (1)
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The scientific name for housefly is Musca domestica.
(i)State the name of the genus of the housefly.
(ii)State the system that has been used in naming the...
(Solved)
The scientific name for housefly is Musca domestica.
(i)State the name of the genus of the housefly.
(ii)State the system that has been used in naming the housefly.
Date posted:
February 22, 2019
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Answers (1)
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Explain the three types of protozoans found in the soil habitat.
(Solved)
Explain the three types of protozoans found in the soil habitat.
Date posted:
February 19, 2019
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Answers (1)
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Outline four biological importance of mycorrhizal associations in an ecosystem
(Solved)
Outline four biological importance of mycorrhizal associations in an ecosystem.
Date posted:
February 19, 2019
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Answers (1)
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Explain why amoeba absorbs excess water and it does not burst, while a animal cell burst when it absorbs excess water
(Solved)
Explain why amoeba absorbs excess water and it does not burst, while a animal cell burst when it absorbs excess water.
Date posted:
February 19, 2019
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Answers (1)
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Explain the defensive behavior of termites.
(Solved)
Explain the defensive behavior of termites.
Date posted:
February 18, 2019
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Answers (1)
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Distinguish between the male and female reproductive systems in Nematodes.
(Solved)
Distinguish between the male and female reproductive systems in Nematodes.
Date posted:
February 18, 2019
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Answers (1)
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Briefly describe nervous system in Nematodes.
(Solved)
Briefly describe nervous system in Nematodes.
Date posted:
February 18, 2019
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Answers (1)
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Discuss the three types of parasitic nematodes.
(Solved)
Discuss the three types of parasitic nematodes.
Date posted:
February 18, 2019
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Answers (1)
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Explain how predators are adapted to capture their prey
(Solved)
Explain how predators are adapted to capture their prey
Date posted:
February 18, 2019
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Answers (1)
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Explain why xylem vessels have dead cells
(Solved)
Explain why xylem vessels have dead cells
Date posted:
February 18, 2019
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Answers (1)