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Monday, June 6, 2016

BIOLOGY PRACTICAL ANSWERS ARE AVAILABLE FOR FREE

1aii)
insecta
1aiii)
i)It possesses three pairs or walking legs
ii)possession of three body division
1aiv)
SpecimenA
i)it speeds up decaying process by breaking down of dead trees to form humus which increase soil fertility
ii)it is source of proteins
speciemensB
i)it is use for pollination of flowers
ii)it is important for production of live honey bee


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2a)
G-spider
H-tilapia fish(fresh/freshly preserved)
I-african giant snail
J-irish potato(tuber)
K-sweet potato(tuber) L-yam (tuber)




3ai)
- A pink colouration is observed
- Peotein is present
- A brick red precipitate is formed
- Carbonhydrate is present

3aii)
- It builds body tissues and cells
- it prevent body against infections
- It gives energy to the body
- It gives the body ability to maintain temperature
- It allows for blood production

3aiii )
Polypeptides

3b)
- A pink colouration is formed
- Hydrolysis


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