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Gelneren [198K]
3 years ago
15

How can the starch test show that food has been prepared bin the leaf?

Biology
1 answer:
MAVERICK [17]3 years ago
8 0
Starch/glucose is the food prepared during photosynthesis. if a plant has photosynthesised, it means it has produced its products. you can check this by doing the starch test. boil the leaf which will kill the cells and then dip it in ethanol to extract the green colour. then add the iodine. if the leaf turns blue/black after adding the iodine, this means starch is present and starch is the extra glucose produced (product)
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In the absence of recombination, how many genetically different types of gamete can an organism with six homologous chromosome p
Black_prince [1.1K]

Answer:

(D) 64

Explanation:

We have given number of chromosome pair that is haploid number = 6

We have to calculate the number of possible gamete in absence of recombination

The number of garnets is given by 2^n where n is haploid number

In question we have given haploid number, that is n=6

So the number of gametes without recombination =2^6=64

So option (d) is the correct answer  

5 0
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5 0
3 years ago
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choli [55]
Circulatory - 
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Digestive -
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7 0
3 years ago
La unidades en que se mide la<br> frecuencia en el sistema<br> internacional es.<br> ?
tatiyna

Answer:

hercios

Explanation:

Según el Sistema Internacional (SI), la frecuencia se mide en hercios (Hz), en honor a Heinrich Rudolf Hertz. Un hercio es la frecuencia de un suceso o fenómeno repetido por segundo. Así, un fenómeno con una frecuencia de dos hercios se repite dos veces por segundo.

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Gymnosperm seeds are usually carried by
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D all of the above but still not sure
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