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77julia77 [94]
3 years ago
14

At pupal stage silkworms are killed to get fibres .Why give reason ?​

Biology
2 answers:
klasskru [66]3 years ago
4 0

Answer: In the life cycle of the silkworm the silkworm is killed at the stage of pupa because pupa is covered with silk and we kill silkworm to obtain silk fibres from them.

Explanation: Hope this helps

just olya [345]3 years ago
3 0

Answer:

But in the fabric industry, silk is mass produced through the breeding and domestication of silkworms on what are essentially moth factory farms. When the caterpillars enter the pupa stage of their development, their cocoons are plunged into boiling water. This kills the silkworms and begins to unravel the longer fibers.

Explanation:

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Beriberi is caused by a deficiency of thiamine in the diet.
denis23 [38]

Answer:

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Explanation:

Pyruvate is the end product of glycolysis. During aerobic cellular respiration, pyruvate is oxidatively decarboxylated into acetyl CoA which in turn enters the Kreb's cycle. Oxidative decarboxylation of pyruvate is carried out by enzyme complex pyruvate dehydrogenase (PDH). The first step is simple decarboxylation and is catalyzed by pyruvate decarboxylase of the PDH complex.

The enzyme pyruvate decarboxylase and has a tightly bound coenzyme, thiamine pyrophosphate. Thiamine pyrophosphate is derived from vitamin B1. Lack of vitamin B1 in the human diet leads to beriberi that is characterized by an increased concentration of pyruvate in blood urine since oxidative decarboxylation cannot occur due to lack of the coenzyme thiamine pyrophosphate.

3 0
3 years ago
Anyone help me with this question plz
wolverine [178]

Hey again,

The answer you are looking for is B).

Just as proteins consist of long chains of amino acids, DNA and RNA consists of nucleic acid chains called nucleotide's. Nucleotide's are composed of three units: base, sugar (monosaccharide) and phosphate. Bases are found in both DNA and RNA. As seen below, they are adenine, cytosine, guanine, thymine, and uracil.

Hope this helps!!!!!!

Plz mark brainliest!

5 0
3 years ago
12. What is the energy released from respiration?
Volgvan

Answer:

Carbon Dioxide

Explanation:

During cellular respiration, glucose and oxygen are converted into carbon dioxide.

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Making vegetable portions on your dinner plate twice the size of your meat portion would be a great strategy to
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Answer:

Great way in which to lose weight!

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the correct answer is A

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