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Shkiper50 [21]
3 years ago
8

what method best explains how an organism regulates its blood pressure in response to a stimulus that causes a drop in blood pre

ssure?
Biology
2 answers:
Lana71 [14]3 years ago
6 0
Homeostasis is the method in the human body that <span>is responsible how an organism regulates its blood pressure in response to a stimulus that causes a drop in blood pressure. Homeostasis regulates that all functions in the body work properly and are in balance, so the body is stable.</span>
USPshnik [31]3 years ago
4 0

Homeostasis is the method in the human body that is responsible how an organism regulates its blood pressure in response to a stimulus that causes a drop in blood pressure. Homeostasis regulates that all functions in the body work properly and are in balance, so the body is stable.


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A mammalian cell is placed in freshwater and bursts from osmotic pressure. Which of the following explains this process?
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The answer is: b) solutes move out of the cell
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Where does Lactic acid fermentation and Alcoholic fermentation occur?
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Lactic acids fermentation happens in our muscle cells when we are exercising feverishly while alcoholic fermentation is used in yeast cells and is what leads to beer bread and wine.
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3 years ago
List two biomes and their features. List the at least three features of each one of your biomes.
DaniilM [7]

Answer:

Tundra Biome and the Deciduous Forest Biome

Explanation:

for tundra the features are Extremely cold climate, Low biotic diversity ,Simple vegetation structure. and for deciduous forest  is Deciduous forests have a long, warm growing season as one of four distinct seasons, There is abundant moisture, Tree leaves are arranged in strata: canopy, understory, shrub, and ground.

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3 years ago
An unknown bacterium produces colorless colonies when inoculated onto an EMB plate. Predict what you would see if you inoculated
marshall27 [118]

The EMB (Eosin Methylene Blue) agar is a selective and differential agar medium. It contains sucrose and lactose as fermentable substrates together with Eosin Y and methylene blue dyes which in combination gives the agar its characteristic color when prepared and serves as a pH indicator as well as an inhibitor of growth of Gram-positive bacteria. Hence, it is primarily used to isolate Gram-negative fecal coliforms while some positive fecal coliforms such as Staphylococci are also able to grow.

These coliforms are of two types:

  • Lactose or sucrose fermenting coliforms form metallic sheens on the agar as a result of acid production and the response of the indicator to the increased acidity.
  • Non-lactose/sucrose fermenters are only able to produce acid by protein deamination. Hence they either form colorless or pinkish colonies on the agar

On the other hand, Mannitol salt agar is a selective and differential agar medium that is primarily used to isolate Staphylococcal bacteria. The presence of sodium chloride in the medium makes it a partial or complete inhibitor of other bacteria.

Hence, an unknown bacterium that forms colorless colonies on EMB will either be a non-lactose fermenting, Gram-negative coliform that will hardly grow on Mannitol salt agar, or a Gram-positive fecal Staphylococcus.

Staphylococci bacteria are of two types:

  • Coagulase-positive will form yellow colonies on the Mannitol salt agar.
  • Coagulase-negative will form red colonies on the Mannitol salt agar.

More about isolating media can be found here: https://brainly.in/question/7238948

5 0
3 years ago
HELP FOR 50 POINTS AND BRAINLIEST
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Answer:

Rigid Structure i think...

Explanation:

Plant cells contain a cell wall which contributes to the <u>rigid</u> structure it obtains.

3 0
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