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kkurt [141]
3 years ago
10

What did scientific investigations on sudbury's soil reveal

Biology
1 answer:
mel-nik [20]3 years ago
4 0
Scientific investigations on Sudbury's soil revealed the decrease
in soil pH was correlated with increased copper and nickel levels.
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Why is salivary amylase active for only an hour or so, whereas lingual lipase isn't active until reaching the stomach
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Salivary amylase will be active for only an hour or so because the optimum pH for activity of amylase is about 6.7–7.0 which is available in the mouth but the pH of the stomach is acidic around 1-2 due to which the amylase enzyme becomes inactive in short-time.

The lingual lipase enzyme is present in the saliva but isn't active until reaching the stomach because this enzyme is acid stable and works efficiently in the stomach, not in the mouth.

Amylase enzyme is secreted in the mouth and is responsible for the breakdown of starch in food into sugars and it starts acting as soon as we put food in the mouth whereas Lingual lipase enzyme is secreted along with saliva but it is not active in the mouth rather its activity starts in the stomach which is responsible for the degradation of triacylglycerol molecules.

Learn more about enzymes here

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Floods droughts fire earthquakes are examples of
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Which motion of particles across a membrane requires energy? A. From high concentration to low concentration B. From low concent
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From low concentration to high concentration

Explanation:

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What is most likely the amount of energy available at a trophic level of primary consumers if the amount of energy available to
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If the producers are plants / algae, and contain 2,000 kilocalories of energy, the primary consumers, which are the ones eating the plants / algae will obtain about the same amount of energy the producers originally have.


Hope it helped,


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What do you know about emanuel syndrome
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Emanuel syndrome<span> is a chromosomal disorder that disrupts normal development and affects many parts of the body. Babies born with this syndrome have weak muscle tone and do not gain weight or grow at the expected rate for their age. Their development is significantly delayed and they commonly have intellectual disabilities alongside their physical ones</span>
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