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Karolina [17]
4 years ago
14

This infectious disease is transmitted by a virus. Symptoms may vary, from a stuffy nose to coughing and a fever. This disease b

asically attacks the mucous membranes of the nose and throat but can attack the entire respiratory system. This infectious disease is
Biology
2 answers:
alukav5142 [94]4 years ago
8 0

The right answer is D. the common cold.

The cold is caused by a virus. It is a frequent infection of the nose and throat also called viral or acute rhinitis.

The cold is responsible for sneezing, nasal congestion (feeling of a stuffy nose), a runny nose that requires a nose and often a sore throat.

Its symptoms appear gradually and persist for 5 to 7 days, rarely more.

never [62]4 years ago
4 0
The most common infectious disease is a common cold which is a viral infection that is characterized by varying symptoms like stuffy nose to coughing and a fever. This disease basically attacks the mucous membranes of the nose and throat but can attack the entire respiratory system. Usually this is a self limited disease. 
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You discover a new life-form, and study it under an electron microscope. you find that its cells have a peptidoglycan cell wall,
AysviL [449]

Answer:

              The new life form will come in domain of bacteria.

Explanation :

                   As we know that there are certain characteristic of bacterial cells which are listed below.

Composition of cell wall :

                                        Cell wall of bacteria is composed of carbohydrates protein complex known as peptidoglycan .

Presence of organelles :

                                       Bacterial cells lack all organelles except ribosomes

Presence of fatty acids in plasma membrane

The plasma membrane of bacterial cell is composed of a lipid bilayer made up of phospholipid. It contains fatty acids

Conclusion

                In microscopic studies of new organism all the characteristics features of bacteria have been found. So, this new life form belong to bacteria.


7 0
3 years ago
The population that an ecosystem can support continuously is called its ___.
Alchen [17]
The largest population that an environment can support is called its carrying capacity.

Determining the carrying capacities for most organisms is fairly straightforward. For humans carrying capacity is much more complicated. The definition is expanded to include not degrading our cultural and social environments and not harming the physical environment in ways that would adversely affect future generations.

For populations which grow exponentially, growth starts out slowly, enters a rapid growth phase and then levels off when the carrying capacity for that species has been reached. 
8 0
3 years ago
Read 2 more answers
The stage during which the cell carries out cell functions is called
Sphinxa [80]

Answer:

Interphase

Explanation:

During this phase, the cell obtains nutrients and metabolizes them, grows, reads it's DNA and conducts it's normal cell functions. This stage is also referred to as the resting stage of cells

4 0
4 years ago
Read 2 more answers
Which technique should a pilot use to scan for traffic to the right and left during straight-and-level flight?
Sergio [31]
I believe the technique is Systematically focus on different segments of the sky for short intervals. Pilots must always be watchful for other aircraft. An effective scan is performed by systematically focusing on different segments of the sky for short intervals normally 1 or 2 seconds per segment. First look in the direction of the turn, raising or lowering the glider's wing to view above and below. 
5 0
3 years ago
The slow accumulation of genetic changes to an influenza virus over time is referred to as _______.
Ivenika [448]

Answer:

<u>Antigenic drift</u> refers to the slow accumulation of genetic changes to an influenza virus over time.

Explanation:

Antigenic drift is defined as the mechanism by which viruses undergo variation. This mechanism involves the slow accumulation of mutations in the viral genes, that are responsible for coding the antibody binding sites. This leads to the formation of a new strain of virus, which can't be inhibited by the old antibodies. Due to this, the virus can easily spread the disease.

The antigenic drift occurs in the influenza A virus and also the influenza B viruses.

Therefore, <u>Antigenic drift refers to the slow accumulation of genetic changes to an influenza virus over time.</u>          

8 0
3 years ago
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