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Vuna

Authored by Anja Pušić

Biology

9th Grade

Used 1+ times

Vuna
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13 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vuna je:

biljno vlakno

životinjsko vlakno

sintetičko vlakno

umjetna celulozna vlakna

2.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Vuna raste kao dlačni pokrivač na ovcama, a naziva se (a)   .

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nakon šišanja pere se u

kiseloj otopini

neutralnoj otopini

lužnatoj otopini

octu

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vuna je građena od proteina

fibroina

keratina

kolagena

5.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Cistinska veza između molekula keratina drugi je naziv za (a)   vezu.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vuna je vlakno

ljuskave površine

glatke površine

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Vlakno vune građeno je od koliko dijelova?

1

2

3

4

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