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Antigens are foreign organisms/materials/protein in nature that enter a body or organism; antibodies are proteins produced in the body in response to specific antigen.
Belan answered the question on March 15, 2019 at 15:10
- (a)State two symptoms of diabetes mellitus .(b)How is diabetes mellitus controlled?(Solved)
(a)State two symptoms of diabetes mellitus.
(b)How is diabetes mellitus controlled?
Date posted: March 15, 2019. Answers (1)
- Define the following terms:
(a)Secretion.
(b)Egestion.
(c)Excretion.(Solved)
Define the following terms:
(a)Secretion.
(b)Egestion.
(c)Excretion.
Date posted: March 15, 2019. Answers (1)
- (i)(a)What is self-pollination?
(b)list three characteristics of insect-pollinated flowers.(Solved)
(i)(a)What is self-pollination?
(b)List three characteristics of insect-pollinated flowers.
Date posted: March 15, 2019. Answers (1)
- (i)(a)State the relationship between the gene and DNA.
(ii)State the importance of a test-cross.(Solved)
(i)(a)State the relationship between the gene and DNA.
(ii)State the importance of a test-cross.
Date posted: March 15, 2019. Answers (1)
- State the functions of the human skeleton.(Solved)
State the functions of the human skeleton.
Date posted: March 15, 2019. Answers (1)
- State two physical ways of controlling the spread of malaria.(Solved)
State two physical ways of controlling the spread of malaria.
Date posted: March 15, 2019. Answers (1)
- Name the stages in mitosis in which:
(i)chromosomes appear short and thick.
(ii)chromosomes align themselves along the equator.(Solved)
Name the stages in mitosis in which:
(i)chromosomes appear short and thick.
(ii)chromosomes align themselves along the equator.
Date posted: March 15, 2019. Answers (1)
- State the function of cambium.(Solved)
State the function of cambium.
Date posted: March 15, 2019. Answers (1)
- State the relationship between size of organism and heat loss.(Solved)
State the relationship between size of organism and heat loss.
Date posted: March 15, 2019. Answers (1)
- (i)(a)Distinguish between homologous and analogous structures.
(b)Give one example in each case.(Solved)
(i)(a)Distinguish between homologous and analogous structures.
(ii)Give one example in each case.
Date posted: March 15, 2019. Answers (1)
- (a)State the importance of the following in the diet.
(i)Iron.
(ii)Vitamin A.
(b)Name the product of the dark stage of photosynthesis.(Solved)
(a)State the importance of the following in the diet.
(i)Iron.
(ii)Vitamin A.
(b)Name the product of the dark stage of photosynthesis.
Date posted: March 15, 2019. Answers (1)
- (a)Which cell organelle is most abundant in mammalian liver cells? (b) State two functions of the Golgi apparatus.(Solved)
(a)Which cell organelle is most abundant in mammalian liver cells?
(b)State two functions of the Golgi apparatus.
Date posted: March 15, 2019. Answers (1)
- Write down the formula used to calculate the magnification of an object when using a hand lens.(Solved)
Write down the formula used to calculate the magnification of an object when using a hand lens.
Date posted: March 15, 2019. Answers (1)
- Name one organism in each of the following taxonomic groups:
(i)Protoctista.
(ii)Monera.(Solved)
Name one organism in each of the following taxonomic groups:
(i)Protoctista.
(ii)Monera.
Date posted: March 15, 2019. Answers (1)
- State the two main types of nutrition.(Solved)
State the two main types of nutrition.
Date posted: March 15, 2019. Answers (1)
- Define the term fertilisation.(Solved)
Define the term fertilisation.
Date posted: March 15, 2019. Answers (1)
- State adaptations of stomata in xerophtes.(Solved)
State adaptations of stomata in xerophytes.
Date posted: March 15, 2019. Answers (1)
- Name a structure that performs the same function as a stoma in a woody stem.(Solved)
Name a structure that performs the same function as a stoma in a woody stem.
Date posted: March 15, 2019. Answers (1)
- (a)Give three structural differences between angiosperms and gymnosperms.(b)Name two classes of angiosperms.(c)Give three characteristics of division spermatophyta.(Solved)
(a)Give three structural differences between angiosperms and gymnosperms.
(b)Name two classes of angiosperms.
(c)Give three characteristics of division spermatophyta.
Date posted: March 15, 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)