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Illusion [34]
3 years ago
11

Does commensalism involve abiotic factors or biotic factors ? ​

Biology
1 answer:
monitta3 years ago
4 0

Answer:

Commensalism only occur among biotic factors

Explanation:

Abiotic factors are non-living factors that interacts with the biotic factor within an ecosystem. Commensalism is an association between two organisms in which one benefits and the other derives neither benefit nor harm.

From the above definition of commensalism, it is clear to note that it only involves two organisms rather than non-living organisms, hence; commensalism involves only biotic factors

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Which of the following is the amino acid that appears at the N-terminus of all newly translated prokaryotic and eukaryotic polyp
Elis [28]

Answer:

The correct answer is option second - methionine.

Explanation:

During translation, the initiator tRNA binds with a smaller subunit of the ribosome and this assembly bind to the start codon AUG at mRNA molecule in both prokaryotes and eukaryotes and then large subunit bind to this assembly and start polypeptide chain.

So, the first codon is AUG which is start codon and code for methionine in eukaryotes and fMeth in prokaryotes at newly translated prokaryotic and eukaryotic polypeptides at the N- terminus.

Thus, the correct answer is option second - methionine.

7 0
3 years ago
What percentage of our usable freshwater is already polluted?
Assoli18 [71]

Answer:

3% of the earth's water is fresh. 2.5% of the earth's fresh water is unavailable: locked up in glaciers, polar ice caps, atmosphere, and soil; highly polluted; or lies too far under the earth's surface to be extracted at an affordable cost. 0.5% of the earth's water is available fresh water

Explanation:

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5 0
3 years ago
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Answer:

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6 0
3 years ago
How are root hairs an adaptive advantage for the plant? which organ structure in the intestinal tract performs a similar functio
enyata [817]
Root hairs have hair like extensions which help increase the surface for absorption of water and mineral salts from the soil. It is similar in function to the villi of the intestinal tract which also has hair like extensions to increase the surface area for absorption of nutrients.
4 0
4 years ago
Which is a black rat snake considered?<br> carnivore<br> herbivore<br> omnivore
Sindrei [870]

Answer:

Carnivore

Explanation:

Carnivore is an animal that eats meat.

Omnivore eats both plants and meat.

Herbivore only eats plants.

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