Explain how it is possible to have thousands of different protiens when there are only 20

1 answer:

5 0

This is possible because proteins are created from different combinations of amino-acids. While we only have 20 different kinds of aminoacids, these 20 kinds can create thousands of combinations that we can observe in our bodies and bodies of other mammals as well as other organisms.

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Do all toxic substances in the environment bioaccumulate

Degger [83]

Answer:

it cannot be easily degraded in our environment.Like humans, animals and plants are exposed to PBTs in the environment through air, water and food. ... Persistent bioaccumulative toxic substances (PBTs) are chemicals that do not degrade easily in the environment.

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3 years ago

How is laying eggs on land an evolutionary advantage for sea turtles and capelin

gregori [183]

1. Laying eggs on land reduces the chances of the eggs being predated on by predators in the seas and oceans.

2. Temperatures are critical in the development of the yolk into an embryo and full turtle. Temperatures even determine the sex of the developing turtles. Land heats up more than water hence promotes faster development hence increases the survival of the offsprings.

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3 years ago

Which of the following is a possible ancestor to modern humans? a. Australopithecine Afarensis b. Australopithecine Robustus c.

BARSIC [14]

According to science, D would be the correct answer. Hope this helps!

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3 years ago

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Cattle depend on microorganisms in their digestive tract to digest the cellulose in their diets. The cattle and the microorganis

GaryK [48]

<h2>The correct answer is: Mutualism.</h2>

Explanation:

Mutualism can be defined as a type of symbiotic relationship.
Symbiosis can be defined as the type of ecological interplay in between two species localized in the same habitat in which at least one of the species gets benefited in the form of food, shelter or protection due to the interaction.
Mutualism is a type of positive symbiosis in which both the species involved in the ecological interplay benefits due to the interaction in between them.
In the given question, some micro-organisms survive in the digestive tract of the cattle.
These micro-organisms produce the enzyme, cellulase, which helps in digesting cellulose present in the food consumed by the cattle.
The cattle is incapable of producing this cellulase enzyme by itself and is dependent on the micro-organisms for its synthesis.
Hence, the the micro-organisms help the cattle in obtaining nutrition and energy by the digestion of cellulose.
On the other hand, the micro-organisms get shelter, nutrition and protection in the gut of the cattle.

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3 years ago

What does the theory of evolution help make sense of

sergiy2304 [10]

Answer:

I don't think you'll understand this but...

Explanation:

Think of it as Evolving A Pokemon.

If that doesn't help go to google type in your question (Make sure its simple) And it should Give you a simple answer.

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2 years ago