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alexdok [17]
3 years ago
14

Last week I was assigned a thematic. We have groups of three but the people I was assigned with haven't been in school for days.

I would appreciate if anyone can help me with my thematic . I highlighted most of the important steps and I circled my thematic topic. Please in desperate need :( its due on February 19

Biology
1 answer:
damaskus [11]3 years ago
4 0

Hello,

Please find below a short summary on the subject you have been assigned. This will help you in completing your project and also give you an overview on the current research on this subject.

Food additives are chemical substances added to food in order to either maintain or improve its physical characteristics such as taste, texture, appearance and even freshness.

The long term effects that these substances have on the human body are still largely unstudied. According to the hypothesis called "chemical obesogen", these synthetic compounds are contributing factors to the global obesity epidemic.

Although evidence-based scientific research is still lacking, the support for this hypothesis is growing as many of these additives have been found to disturb the body's endocrine functions.

Furthermore, artificial preservatives used today may increase the risk of inflammatory bowel disease. This has been shown by a study on mice in which the food additives known as emulsifiers (carboxymethylcellulose and polysorbate-80) have been shown to affect the animal's health.

Due to these chemicals, the mice not only became obese but also developed metabolic problems such as glucose intolerance.  It seems that these chemicals affect the gut bacteria population in a negative way, as mice lacking gut bacteria did not become ill.

The mice study was followed by another study in which the human simulated through a series of flasks. Under the influence of the emulsifiers arboxymethylcellulose (E566 on EU labels) and polysorbate-80 (E433), the levels of bacterial protein called flagellin increased. This protein is known to cause inflammation at high concentrations. The next step in the study will be the first human trials.

Due to the long road our food takes from the farm to our table more extensive research is required. There are thousands of compounds that change the biochemical properties of the plants and animals that constitute our diet. The effects of the degradation and accumulation of these compounds are still unknown and thus many more studies and approaches are required in order to insure healthy food and stop the current obesity epidemic. Everything that is added to our food should be carefully analyzed.

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2 years ago
The graph illustrates the relative activity levels of three common digestive enzymes, where 0 represents no activity and 12 repr
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Answer:

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Explanation:

No way of explaining

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In a simple spinal reflex, the pathway for an impulse is along a sensory neuron directly to a motor neuron through ?A) an effect
Tasya [4]

Answer:

C) an interneuron

Explanation:

A reflex arc is a neural pathway that controls a reflex action. In a simple spinal reflex, the pathway for an impulse is along a sensory neuron directly to a motor neuron through an interneuron because an interneuron enables communications (i.e a pathway for information passage) between a sensory neuron and motor neuron. They play vital roles in reflex actions, neuronal oscillations, neurogenesis in an adult mammalian vertebrate brain.

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3 years ago
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sweet [91]

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Artificial selection, also called selective breeding, is the process where humans identify desirable traits in animals and plants and use these traits to develop desirable phenotypic traits by breeding.

Some examples of natural selection include the selection of long-necked giraffes and the changes in the size and shape of beaks of birds according to their feeding habits.

Some examples of artificial selection include dog breeding to produce new breeds of dogs and cross-breeding in cash crops like wheat and rice.

8 0
2 years ago
A geologist finds a large rock containing a seashell. What does this tell you about the area at the time the rock was formed?
dimulka [17.4K]

Hello,

A geologist finds a large rock containing a seashell. What does this tell you about the area at the time the rock was formed?

The answer might be B. The area was covered by water

4 0
2 years ago
Read 2 more answers
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