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notka56 [123]
3 years ago
5

Component

Biology
1 answer:
miskamm [114]3 years ago
3 0

Aphids get resistant to pesticides often.

<h3><u>Explanation</u>:</h3>

Aphids are the small bugs that are found in plants and are generally green to red in colour. Aphids are often found to be resistant to the common organophosphates or anticholinesterase pesticides that are commonly used. They do this by means of one of the three processes.

The normal genotype which has no resistance mechanism did respond to the insecticide by up-regulating 183 genes. These genes were mostly related to energy metabolism, detoxifying enzymes, proteins of extra cellular transport, peptidases and cuticular proteins.

The second mechanism of the is seen in second genotype which is resistant through a kdr sodium channel mutation. They up-regulated 17 genes which are coding for detoxifying enzymes, peptidase and cuticular proteins.

The third mechanism is seen in those groups which are multiply resistant genotype that carrying kdr and a modified acetylcholinesterase. They are found to up-regulated only 7 genes and appeard not to require induced insecticide detoxification. Instead they down-regulated many genes.

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Organisms at the first trophic level in a food pyramid are:
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Answer:

The first and lowest level contains the producers, green plants. The plants or their products are consumed by the second-level organisms—the herbivores, or plant eaters.

Explanation:

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The genetic code is broken down into a series of codons on the mRNA. Each codon consists of 3 nucleotides which (normally) correspond to a single amino acid (e.g. AUG codes for methionine). I say normally because you can also have a codon indicate a stop codon (so no amino acid will be inserted and instead the polypeptide chain will terminate). This mRNA molecule with its list of codons will instruct a ribosome to synthesize a protein according to this code. 

This code is the set of rules - based on the triplet or codon. This triplet code is universal - all organisms use the same codons to specify the placement of each of the 20 amino acids in a protein. 
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3 years ago
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I am Lyosha [343]

Answer:

1. C

2. B

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1. When a plant cell looses some water due to dehydration or being placed in a hypertonic solution, the term used to describe the cell's intial, not severe shrinkage is 'flaccid'.

Here, it's clear that the cell shrank so much that the cell membrane pulled away from the cell wall. The correct term for this severe shrinkage is 'plasmolysed'.

We don't use 'wilted' as a term to describe a cell. We use it to describe the plant as a whole.

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¿Cuándo es menor el espesor del endometrio?
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+129x+119Explanation:

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Answer:

Prediction results for glucose transport in the presence of Dinitrophenol (DNP) are as following:

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Dinitrophenol (DNP) is an uncoupler, or is capable of separating electron flow and H+ ion pumping for ATP synthesis. This means that ATP synthesis can not use the energy from electron transfer, hence it will support in lab as well.

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