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1 year ago

For which two bacterial foodborne diseases is the infective dose thought to be very low?

Biology

1 answer:

Arturiano [62]1 year ago

3 0

Two bacterial foodborne diseases is the infective dose thought to be very low are E. coli 0157:H7 and listeriosis.

Escherichia coli (abbreviated as E. coli) are bacteria found in the environment, foods, and intestines of people and animals. E. coli are a large and diverse group of bacteria. Although most strains of E. coli are harmless, others can make you sick.

Listeriosis is a potentially fatal sickness caused by consuming food infected with the bacteria Listeria monocytogenes. Each year, an estimated 1,600 people contract listeriosis, with approximately 260 dying. Listeria monocytogenes (L. monocytogenes) is a pathogenic (disease-causing) bacterium found in wet habitats, soil, water, decaying vegetation, and animals, and it may survive and even thrive under refrigeration and other food preservation procedures.

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Which statements describe thigmotropism? Check all that apply.

emmainna [20.7K]

Answer:

Thigmotropism is a plant's response to touch.

Thigmotropism is a plant's response to an external stimulus.

Thigmotropism can occur quickly or slowly.

Thigmotropism may involve the way in which a plant grows.

Thigmotropism may involve the closing and opening of plant leaves.

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3 years ago

Read 2 more answers

He creationist and evolutionist are in agreement on all of the following items except:

adoni [48]

<span>the ability of matter to be self organizing</span>

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3 years ago

Conservation biologists provide strong arguments about why we should all care about preserving biodiversity. When considering th

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Answer:Increase in ambient global temperatures.

Recyling energy to be used again

Regulation of oxygen and carbon dioxide levels

An increase of erosion and siltation along waterways

Explanation:

Conservational biologists think about the preservation of ecosystem by maintaining the environment in a human control way.

Increase in ambient global temperatures.: The humans must prevent the increase in global temperature worldwide by preventing the rise of greenhouse gases which can lead to global warming worldwide.

Recyling energy to be used again: The sources of energy like wood, waste water can be recycled again for reutilization.

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3 years ago

Primary consumers depend on energy from plants for survival. Higher consumers depend on energy from primary consumers for surviv

yaroslaw [1]

The answer is C
The more plants there are, the more consumers there are. If there aren't enough plants, the consumers have no way of getting energy, and therefore cannot survive. The species also matters, because certain species of plants can only be eaten by certain species of consumers.

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the first cells likely to encounter a pathogen, such as phagocytes, are professional antigen presenting cells (apcs). this means

Zepler [3.9K]

Professional antigen-presenting cells, such as phagocytes, are the first cells to encounter a pathogen (apcs). This means they have the ability to activate cells of the adaptive immune system.

<h3>What is meant by Pathogen?</h3>

A pathogen is an organism that infects its host with disease, and the severity of the disease symptoms is referred to as virulence.

Pathogens include viruses, bacteria, unicellular and multicellular eukaryotes, and a wide range of other organisms.

The bone marrow of an average healthy adult generates 100 billion new neutrophils per day. Because there are so many neutrophils in the body at any given time, they are often the first cells to reach the site of an infection.

Long thought to be a component of the innate immune system, complement has recently emerged as an important regulator of the adaptive immune response.

Therefore the correct option is D) can activate cells of the adaptive immune system.

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1 year ago