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Liula [17]
3 years ago
7

5.

Biology
1 answer:
inessss [21]3 years ago
3 0
As the flower takes water that it needs to survive, the dye in it has no more density so it goes up with the water dying everything in its path blue.
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Match the staining techniques with their purpose.
Dennis_Churaev [7]

A Negative stain such as India ink or Congo red-Look for the presence of a capsule.

This stain method is usually used to stain the area around the microorganism.

B The Gram stain-Divide bacteria into two groups based on cell wall structure (thick vs. thin).  

This is type of differential staining used to distinguish organisms based on their staining properties. Gram + and Gram- bacteria stain different because of different cell wall structure.

C The Ziehl-Neelsen Acid-fast stain- Identify bacteria with waxy cell walls such as: Mycobacterium tuberculosis (the cause of TB).  

This is also differential staining method which uses heat and phenol to derive dye into the cells with lipid-rich walls.

D Simple stain with a basic dye-Stain microbes a bright color to make it easier to see them in bright field microscopy.

One dye is used in simple staining in order to determinate the size, shape and arrangement of the cells.

E The Schaeffer-Fulton Endospore stain-Identify Bacillus or Clostridium species, such as the causative agents of anthrax, botulism, tetanus and gangrene.  

This is a special type of staining only used for the bacteria that can form endospores. Bacteria are first treated with heat and then with malachite green, which is very strong stain that can penetrate endospores.

5 0
3 years ago
Which of the following make mechanical obstruction of the intestinal lumen of the small or large bowel an acute emergency?
Julli [10]

Distention from accumulating gas and fluid impede venous return, leading to bowel wall ischemia.

<u>Explanation:</u>

When the bowel lumen is obstructed, the gases and fuids starts accumulating as a repose to the obstruction. The accumulated fluid and gases results in the swelling or enlargement. This will result in the production of electrolytes and water inside the mumen that is in obstruction. The wall of the bowle will also enlarge and becomes swollen.

As more and more fluid and gas gets accumulated in the bowel, the bowel wall will be enlarged and as there is an increase in the pressure due to this accumulation, the fluid starts to leak from the wall. This will enter peritoneum and necrosis. This will result in an acute emergency when it becomes serious.

7 0
3 years ago
What type of boundary is at letter C?<br><br> O Divergent<br> O Convergent<br> O Transform
tangare [24]
B


A convergent boundary is an earth where two or more lithospheric plates collide
7 0
2 years ago
The overall population of a species decreased. What could have occurred to make this happen?
andriy [413]
Starvation.
Disease.
Weather.
Lack of mate.
Offspring dying.
Hunting.<span />
4 0
3 years ago
H2 is a molecule, but H2O is a _____. diatomic molecule compound neuron photon
ioda

Answer:

Compound.

Explanation:

If a molecule consists of 2 or more elements its a compound.

7 0
3 years ago
Read 2 more answers
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