The pathogenic prokaryotes that cause cholera are _________.

1 answer:

8 0

The pathogenic prokaryotes that cause cholera are the bacteria that release an exotoxin. Exotoxin can cause damage to the host by destroying cells or disrupting normal cellular metabolism. They are highly potent and can cause major damage to the host. Cholera is an infection of the small intestine by some strains of the bacterium Vibrio cholerae.

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Sveta_85 [38]

Answer:

The correct answer will be option-C

Explanation:

The rhythm of the heartbeat is controlled by the pacemaker of the heart called the sino-atrial node.

The SA node generates action potentials which trigger the contraction and relaxation of the atrium and ventricles. The membrane potential generation initiates by the depolarization of the cell membrane when the L type of Ca⁺² ions opens up and calcium ions enter the cell.

This depolarizes the cell until the potential threshold is reached which lies between the -40 and -30 mV.

Thus, Option-C is the correct answer.

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Asexual reproduction in the parent cell will result in offspring with?

Otrada [13]

They are genetically identical or clones. There is no genes, no genetic variation.

Hope that helps! c:

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Kobotan [32]

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Explanation:

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4 years ago

What biomes receive less then 100 Cm of rain each year? Check all that apply

jeyben [28]

Answer:- Option 3 (desert), Option 4 (tundra) and Option 5 (grassland).

Explanation:-

The amount of rainfall varies in different biomes:-

1. Tropical rain forests - The annual rainfall in these forests falls in the range of 125 to 660 cm which varies according to the seasons.

2. Temperate rain forest - The annual rainfall in these forests can range from 200 cm to 350 cm depending on the region where they are found. The annual rainfall is higher in warmer regions .

3. Desert - As the name suggests, the desert areas do not get enough rainfall. The annual rainfall in a desert is less than 25 cm.

4. Tundra - It is a biome which is found in relatively cooler climates and the amount of rainfall is very less these regions. The annual rainfall in tundra biomes is less than 20 cm.

5. Grassland - in these biomes, the rainfall is higher than the tundra and desert but is not as high as the rain forests and thus, grass is the dominant vegetation. The annual rainfall ranges from 60-90 cm.

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3 years ago

Can someone please help me out?

grigory [225]

I cant really see the picture correctly

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3 years ago