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Snowcat [4.5K]
3 years ago
8

Which of the following statements concerning Francisella is false?A. An attenuated vaccine is used for high-risk individuals B.

It resists phagocytosisC. Humans are its only known hostD. It is extremely infectiousE. It cannot be treated with penicillins or cephalosporins
Biology
1 answer:
Veronika [31]3 years ago
6 0

Answer:

Humans are its only known host

Explanation:

Humans are not the only known host for bacterium<em> Francisella</em>. For example, <em>Francisella</em> species such as <em>Francisella tularensis</em> uses many other organisms as its host.

Some of the non-human host organisms for <em>Francisella tularensis </em>are wild rabbits, most of the domestic and wild animals. The <em>Francisella tularensis </em>serve as causative agent of tularemia in these organisms which is a plague-like disease.

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Which of these definitions have been paired with the correct type of cell?
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Answer:

B. Neurons are cells that conduct electrical impulses.

Explanation:

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Neurons generate and conduct electrical impulses. So this one is correct.

Epithelial cells line the cavities and surfaces of blood vessels and organs, protect underlying tissue, regulate the exchange of chemicals, and secrete various substances. They do not react to stimuli, however neurons do.

Smooth muscles helps the skeleton move, smooth muscle is found in blood vessels and some organs, and cardiac muscle helps the heart beat and pump blood. They are however, not components of blood.

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Answer:

d. carbohydrates

Explanation:

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Two known common carbohydrates are the starch and cellulose. They are macromolecules and are also polymers. Their monomers are units of sugar (glucose). Carbohydrates have the general molecular formula C<em>m</em>(H2O)<em>n </em>(where <em>m</em> and <em>n </em>represent numbers).

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Answer:

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3 years ago
To carry out their life processes, people need _____.
NeTakaya
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