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const2013 [10]
3 years ago
6

Chewing a bite of bread mixes it with saliva and facilitates its chemical breakdown. This is most likely due to the fact that __

______. Group of answer choices the inside of the mouth maintains a very high temperature chewing stores potential energy chewing facilitates synthesis reactions saliva contains enzymes
Biology
1 answer:
iVinArrow [24]3 years ago
4 0

Answer:

Saliva contain enzymes.

Explanation:

In the mouth, when chewing a bite of bread, it mixes with the saliva in the mouth which is secreted by the salivary gland. The food is broken down by chewing which is converted into Bolus through the saliva. The saliva comprises of digestive salivary amylase which help to digest carbohydrates and breakdown carbohydrates into smaller pieces.

Bread is a carbohydrate, digestive salivary amylase breakdown bread into sugars.

Therefore, digestion begin from the mouth and it contain saliva which comprises of the enzymes.

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Since the Pitx1 gene codes for a protein crucial im lower limns development, a mutation occurring near Pitx1 gene will affect refikjs around the lower limbs but not those far away from it.

<h3>What are mutations?</h3>

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The Pitx1 gene is a gene that codes for a protein that involved in development of the lower limbs.

A mutation near but outside of the coding region of Pitx1 may cause a loss of pelvic fins without pleiotropic effects on the pituitary gland and jaw because the pelvic fins form part of the lower limbs whole the jaws and the pituitary gland are not found in the lower limbs.

Therefore, the mutation occurring near Pitx1 gene will affect regions around the lower limbs but not those far away from it.

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Are decomposers heterotrophs or autotrophs? Explain your answer.
barxatty [35]
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The food chain that would include an aphid include:

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<h3>What is a food chain?</h3>

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Explanation:

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