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Name the branch of Biology that involves the study of: a) Organisms for the sake of classifying them. b) Microscopic organisms.

Biology

ScanSolve AI Answer

Haya, twende tukajibu maswali haya:

1.

*a) Tawi la Biolojia linalohusika na utafiti wa viumbe kwa madhumuni ya kuvipanga ni Taksonomia.

*b) Tawi la Biolojia linalohusika na viumbe vidogo sana ni Mikrobiolojia.

2.

*a) Mmea kwenye mchoro unafanana na feni. Kwa hiyo, unamiliki kundi la Pteridophyta.

*b) Sababu tatu za jibu langu hapo juu ni:

  • Mmea una majani makubwa yanayoitwa fronds.
  • Una rhizome (shina la chini ya ardhi) na rhizoids (miundo kama mizizi).
  • Huzaa kwa kutumia spores badala ya mbegu au maua.

3.
Vigezo vitatu vinavyoweza kutumika kukadiria ukuaji wa miche ni:

  • Urefu wa mche.
  • Uzito mkavu wa mche.
  • Idadi ya majani.

4.

*a) Gesi iliyotolewa ni oksijeni. 2H2O2→catalase2H2O+O2 2H_2O_2 \xrightarrow{catalase} 2H_2O + O_2

*b) Tofauti katika kiasi cha gesi iliyotolewa kwenye pH 4.0 na pH 9.0 inatokana na athari ya pH kwenye shughuli ya kimeng'enya cha catalase kilichopo kwenye viazi.

  • Kwenye pH 4.0, ambayo ni tindikali sana, kimeng'enya cha catalase hupoteza umbo lake (hudenaturika) au shughuli yake hupungua sana, hivyo kusababisha uzalishaji mdogo wa gesi ya oksijeni (2.7 cm³).
  • Kwenye pH 9.0, ambayo ni alkali, shughuli ya kimeng'enya cha catalase huongezeka ikilinganishwa na pH 4.0, kwani pH 9.0 iko karibu zaidi na pH bora ya kimeng'enya hicho, na hivyo kusababisha uzalishaji mkubwa zaidi wa gesi ya oksijeni (7.7 cm³).
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