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Ponovitev: lasne plasti, lasni keratin, lastnosti las

Authored by Ribar Palunko

Science

3rd - 5th Grade

Used 3+ times

Ponovitev: lasne plasti, lasni keratin, lastnosti las
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15 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

45 sec • 5 pts

Lasne plasi so sestavljene iz:

Stebla in korenine

Konice, prirastišča, poroženevalneg dela, preoblikovnega dela in rastnega dela

Kutikule, korteksa in medule

Luskastne plasti, vlaknaste skorje, sredice

2.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Kutikula daje lasem naraven lesk. Če so robovi luskastega sloja poškodovani in štrlijo navzven, lasje ostanejo brez leska.

Drži

Ne drži

3.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Vlaknata plast predstavlja približno 80% lasa

Drži

Ne drži

4.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Kutikula vsebuje pigmente

Drži

Ne drži

5.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Vlaknata plast je zgrajena iz: protofibrila, mikrofibrila, makrofibrila

Drži

Ne drži

6.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Protofibrili so največja enota vlaken, sestavljena iz mikrofibril

Ne drži

Drži

7.

MULTIPLE CHOICE QUESTION

30 sec • 5 pts

Mikrofibrili so sestavljeni iz približno desetih protofibrilov.

Drži

Ne drži

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