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Ber [7]
3 years ago
15

How can you use what you know about chemical reactions to explain what happens to food molecules when you eat?

Biology
1 answer:
ValentinkaMS [17]3 years ago
7 0

Answer:

Chemical digestion involves the secretions of enzymes throughout your digestive tract. These enzymes break the chemical bonds that hold food particles together. This allows food to be broken down into small, digestible parts.

Explanation:

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Classification is a way of grouping organisms based on the _______they share.
Feliz [49]

base on their characteristics they share

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3 years ago
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A microbiologist has identified a new gram-negative pathogen that causes liver disease in rats. She suspects that the bacterium’
valina [46]
<h2>Koch's postulates </h2>

Explanation:

Koch formulated a set of criteria that could be used to identify the pathogen responsible for a specific disease and these criteria came to be known as Koch’s postulates:

The organism must be regularly associated with the disease and its characteristic lesions

The organism must be isolated from the diseased host and grown in culture

The disease must be reproduced when a pure culture of the organism is introduced into a healthy, susceptible host

The same organism must be re-isolated from the experimentally infected host

In the given hypothesis , Koch's postulates could be used as:

1) identify pathogen associated with disease 2) isolate or purify pathogen 3) test subject gets pathogen 4) same disease/ causes liver disease or not

3 0
3 years ago
Please answer all :)
Serggg [28]

Answer:

i) Rusting occurs the least in tubes 2 and 3 because either of air and water which are necessary for rusting is absent in the two tubes respectively.

ii) Rusting occurs most in tube 1 because both air and water which are necessary for rusting are present.

Explanation:

Rusting is a chemical change which involves a redox reaction. During the process of rusting, metallic iron is oxidized to hydrated iron (iii) oxide by oxygen present in air.

For rusting to take place effectively, each of these three factors mist be available: metallic iron, oxygen and water.

In the figure above, the iron nails in the three tester tubes will rust to different extents based on the availability of the three factors.

In test tube 1, the iron nails will rust the most because all the three factors: metallic iron, oxygen present in air, and water are abundantly present.

In test tube 2, the iron nails will rust the least or not at all because boiling of water removes dissolved oxygen from water and the oil layer above the boiled water prevents entry of oxygen from air. Thus, the nail do not rust because one of the three factors for rusting to take place, in this instance, oxygen is absent.

In test tube 3, the iron nails rusts the least or not at all as well because moisture or water is absent. Calcium chloride, a drying agent removes all the moisture from inside the tube. Hence, even though air is present, rusting do not occur as there is no moisture or water present.

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3 years ago
What do Phenylketonuria, Cystic Fibrosis, and Sickle Cell Anemia have in common?
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Answer:

Phenylketonuria, Cystic Fibrosis and Sickle Cell Anemia, these all are disorders caused by hereditary mutation.

Hope it helps!

4 0
2 years ago
Diagram of breasts...​
Mumz [18]

Answer:

diagram of breasts

Explanation:

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2 years ago
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