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Marysya12 [62]
3 years ago
12

Second exposure to the pathogen

Biology
1 answer:
k0ka [10]3 years ago
6 0
The answer is C to this question
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3 years ago
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Which of Thomas hunt morgans hypotheses was valid
Simora [160]
<h3><u>Answer;</u></h3>

white eyes are homozygous recessive

<h3><u>Explanation</u>;</h3>
  • <em><u>Thomas Hunt Morgan work with the fruit fly showed that genes are linked in a series on chromosomes and are responsible for identifiable, hereditary traits. </u></em>He was the first to identify that genes are linked to the same chromosome.
  • <em><u>According to his hypothesis he stated that genes that are linked are arranged linearly on a chromosome, while those genes with low combination frequencies must be closer together and thus difficult to separate</u></em>.
  • When a gene contains two similar alleles that is, either two dominant alleles or two recessive alleles then it is called homozygous dominant and homozygous recessive respectively. White eyes of a fruit fly is an example of homozygous recessive
8 0
3 years ago
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How is nitrogen from the atmosphere the abiotic part of the ecosystem converted in to the biotic part of the ecosystem in organi
AveGali [126]

Solution:

Nitrogen is important because, it helps us grow crops, and it produces grass for animal. It comes from lightning and is named nitrogen fixation

By which free nitrogen (N2) is extracted from the atmosphere and converted (fixed) into nitrogen compounds which are plant nutrients (fertilizer). In nature, this process is carried out by certain bacteria (present in the root nodules of legumes such as beans and peas), blue-green algae, and the lightning flash.

Thus the Nitrogen form the atmosphere the biotic part to the ecosystem converted into the biotic part.

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3 years ago
Which process occurs only in autotrophic organisms? Calvin cycle chemiosmosis Krebs cycle proton pump mechanism
tankabanditka [31]
The answer to this question should be: Calvin cycle

Calvin cycle is a chemical reaction that was done in the chloroplast of a plant. This is one of the reactions in photosynthesis. In Calvin cycle, carbon dioxide and water will be used to make carbohydrates(glucose). This reaction is forming energy using the sunlight so only autotrophic organism capable that will be able to do it.

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A self-assessment identifies your skills and interests for the purpose of______planning
kherson [118]
Try using your on opinion and see what you can come up with and good luck
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