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Rufina [12.5K]
4 years ago
12

According to selye, some people may develop illnesses such as high blood pressure or a weakened immune system during the _______

_ stage of the general adaptation syndrome. alarm collapse exhaustion resistance
Biology
1 answer:
Sever21 [200]4 years ago
6 0
I believe the answer for the above question is exhaustion stage.
Hans selye, described three predictable stages the body uses to respond to stressors, called general adaptation syndrome (GAS). The first stage is alarm stage, which provides burst energy, then the resistance stage where the body attempts to resist or adapt to the stressor, and finally the exhaustion stage. During the resistance stage, the body uses its resources of flight off the stressor. It is not until the next stage, exhaustion, that bodily resources are so depleted that stress-related diseases can develop. 
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It would be c. More co2 means more radiation from the sun.

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How was wildlife directly affected by Hurricane Katrina ?<br><br> ♥
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4 years ago
The peptidoglycan cell wall and the one or two membranes present also impart a three-dimensional shape to the bacterial cell. Th
denis-greek [22]

Answer:

   <u> The following images of different types of bacteria are attached here- </u>

<u>1- Single round  bacterium- Cocci</u>

<u>2- Single rod-shaped bacterium- Bacilli</u>

<u>3-  Cluster of round bacteria - Staphylococci</u>

<u>4- String of rod-shaped bacteria- Streptobacillus</u>

<u>5- Comma-shaped bacterium- Vibrio</u>

<u>6- Corkscrew-shaped bacterium- Spirillium</u>

Explanation:

<u>1- Single round  bacterium- Cocci </u>-Any bacterium or archaeon that has a circular, ovoid, or usually round shape is a coccus (plural cocci). Cocci may develop in pairs, chains, or clusters during cell division, depending on their orientation and attachment. Many cocci bacteria do not have flagella and are non-motile, in contrast to many bacilli-shaped bacteria.

<u>2- Single rod-shaped bacterium- Bacilli </u>-A rod-shape bacterium or archaeon is a bacillus (plural bacilli), or bacilliform bacterium. In several different taxonomic classes, bacilli are found. Bacilli typically divide and are solitary in the same plane, but can combine to form diplobacilli, streptobacilli, and palisades.[2]  

Diplobacilli: Two bacilli with each other arranged side by side.  

Streptobacilli: Arranged bacilli in chains.  

Coccobacillus: Coccus-like and oval (circular-shaped bacterium).

<u>3-  Cluster of round bacteria - Staphylococci -</u> In the family Staphylococcaceae from the order Bacillales, Staphylococcus is a genus of Gram-positive bacteria. They appear spherical (cocci) under the microscope, and form into grape-like clusters. The species Staphylococcus are facultative anaerobic organisms (both aerobically and anaerobically capable of growth)

<u>4- String of rod-shaped bacteria- Streptobacillus -</u>Streptobacillus is a genus of fastidious gram-negative microaerophilic bacteria, an uncommon disease that develops in culture as rods in chains.t and can be caused by two forms of bacteria, Spirillum minus and Streptobacillus moniliformis.

<u>5- Comma-shaped bacterium- Vibrio </u>-Vibrio is a genus of Gram-negative bacteria with a curved-rod (comma) shape, which can cause foodborne infection in several animals, typically associated with consuming undercooked seafood. Vibrio species, usually found in salt water, are optional anaerobes that test positive for oxidase and do not form spores.

<u>6- Corkscrew-shaped bacterium- Spirillium </u>-Spirillum, a genus of spiral-shaped bacteria of the Spirillaceae family, aquatic with the exception of one species (S. minus) causing a form of human rat-bite fever. For any of the corkscrew-like animals, the name spirillum is used commonly.  

Microbiologically, Spirillum is characterized as a gram-negative, motile helical cell with whiplike flagella tufts at each end.

<u>hence, the images of the different  bacteria are attached below-:</u>

7 0
3 years ago
What is happening to our DNA that is causing change?
Hitman42 [59]

Answer:

Environmental exposure to certain chemicals, ultraviolet radiation, or other external factors can also cause DNA to change. These external agents of genetic change are called mutagens.

3 0
3 years ago
Read 2 more answers
Earth’s mantle
Elina [12.6K]

According to the research, Earth's mantle is hotter than the crust.

<h3>What is the Earth's mantle?</h3>

It is the solid layer that lies between the central core of planet Earth and the earth's crust.

Advancing towards the core of the planet, the Earth's mantle is hotter than the crust and is subject to greater pressures, so its physical properties and chemical composition will also vary.

Therefore, we can conclude that according to the research, Earth's mantle is hotter than the crust.

Learn more about Earth's mantle here: brainly.com/question/20145790

#SPJ1

8 0
2 years ago
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