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timama [110]
3 years ago
8

Write a 250 word research report on a pathogenic bacterium that is not discussed in this unit (you may choose one from the gram-

positive cocci table). Include the history, the scientific name of the bacterium, vectors, symptoms, etc.
Biology
2 answers:
k0ka [10]3 years ago
4 0
The one I chose is very interesting I think you will enjoy it.

<span>Staphylococcus aureus (MRSA)
</span>
First diagnosed in 1884 MRSA is a Flesh Eating Disease that can easily spread through contact with an infected host. It's scientific name is Methicillin-resistant Staphylococcus aureus. MRSA's symptoms include pimples, <span>boils, Red lumps, etc. These areas often contain pus, lots and lots of pus. Some antibiotics can treat this, but it is rapidly adapting to these are growing resistant to antibiotics that previously worked. This is very lethal.

Hope this helped. Have a great night! :)</span>
Colt1911 [192]3 years ago
3 0
Here, we would choose "Myobacterium Tuberculae", which 'causes Tuberculosis in Humans.

It is spreadable disease and highly contagious, and communicate very rapidly, so when it first appeared, it was very difficult task to prevent ourselves from that Hazardous condition.

The Scientific name of this bacteria is "MyoBacterium Tuberculae", As it is directly spreads through air means, air is the vector as there's not any insect or external agent for that Job.

T.B. could be life threating if proper treatment is unavailable for a Patient. It exerts dangerous symptoms like:<span> "C</span><span>hills, fatigue, fever, loss of appetite, malaise, night sweats, or sweating"

Hope this helps!</span>
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Latent heat- when water evaporates it removes heat
4 0
3 years ago
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BRAINLIESTTTT ASAP!<br><br> What challenges did the United States face during Reconstruction?
Svet_ta [14]
Outrage from the North because of the black codes that the South set.

I hope this helps!

5 0
3 years ago
Biological processes that systematically vary over a 24-hour cycle are called _____ and are regulated by a cluster of neurons ca
Snowcat [4.5K]

Biological processes that systematically vary over a 24-hour cycle are called circadian rhythms and are regulated by a cluster of neurons called the suprachiasmatic nucleus.

<h3>What is the circadian rhythm?</h3>

The circadian rhythm refers to the biological process regulated by the duration of a calendar day, which is common for many organisms ranging from animals to plants.

The circadian rhythms enable the maintenance of homeostatic control of physiological functions and thus perform metabolic activities.

In conclusion, biological processes that systematically vary over a 24-hour cycle are called circadian rhythms and are regulated by a cluster of neurons called the suprachiasmatic nucleus.

Learn more about the circadian rhythm here:

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6 0
2 years ago
The body can be invaded by pathogens , which are harmful microorganisms that cause infection diseases. The body then initiates a
pochemuha

Answer:The term "disease" refers to conditions that impair normal tissue function. For example, cystic fibrosis, atherosclerosis, and measles are all considered diseases. However, there are fundamentally different causes for each of these diseases. Cystic fibrosis (CF) is due to a specific genotype that results in impaired transport of chloride ions across cell membranes, leading to the production of abnormally thick mucus. Thus, CF is most accurately called a genetic or metabolic disease. Atherosclerosis, which can lead to heart attacks and strokes, may be considered a disease of aging, because it typically becomes a problem later in life after plaques of cholesterol have built up and partially blocked arteries. In contrast, measles is an infectious disease because it occurs when an individual contracts an outside agent, the measles virus. An infectious disease is a disease that is caused by the invasion of a host by agents whose activities harm the host's tissues (that is, they cause disease) and can be transmitted to other individuals (that is, they are infectious).

8 0
3 years ago
Action potentials (nerve impulses) are changes in the membrane potential that, once started, will affect the entire excitable me
stich3 [128]

Answer:

The order of events would be:

4.Threshold stimulus, Na+ channels open.  This is the first event

5.Na+ influx, Depolarization. Second event

2.Na+ channels close, K+ channels open.  This is the third event

1.K+ efflux, Repolarization.  Fourth event

3.Hyperpolarization, K+ channels close

Explanation:

In resting state, the membrane is negative inside, and  K+ concentration is higher than outside.   Na+ concentration is higher outside instead.  

Sodium influx is responsible for membrane depolarization.  It's the event to produce the action potential.  When sodium channels are closing, potassium channels open and K+ go outside until repolarization occurs. But now we have both ions in different sides of the membrane, and this can't be stimulated again to produce other action potential. The membrane will remain refractory to respond to the adequate stimulus until ions migrate to their original sites.  This is Na+ outside, and K+ inside.  This is responsibility of the Na+/ K+ pump, that uses ATP to pump Na+ out, and  K+ in. Once both ions had been relocated in the membrane, this is ready to receive a correct stimulus to produce a new action potential.

6 0
3 years ago
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