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3 years ago

Specialized cells are formed when cells differentiate. True? False/

1 answer:

4 0

The answer is True.

When they differentiate, they become a specific cells with a specific function ( eg : brain cells, blood cells, liver cells, etc)

They each have a specific function which is why they're called specialized cells.

Hope this help

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Damaged tissue releases chemicals that activate platelets and stimulate the formation of blood clots. Which of the following pre

Zielflug [23.3K]

Hello! I figured your question was lacking its options so I went online to find them and here they are:

A. Activated platelets release chemicals that inhibit blood clot formation.

B. Activated platelets release signaling molecules that inhibit cell division in damaged tissue.

C. Activated platelets constrict the blood vessels, stopping blood flow.

D. Activated platelets release chemicals that activate more platelets.

Answer:

The correct answer is: D) Activated platelets release chemicals that activate more platelets.

Explanation:

Positive feedback is a mechanism in which a stimulus triggers an intensification of this same stimulus.

When a tissue is damaged, the platelets participate in a process called platelet adhesion that consists of contacting and sticking to the collagen fibers of the connective tissue under the damaged endothelial cells. This platelet adhesion activates the platelets and makes them grow projections to contact and interact with one another, while releasing substances to activate other nearby platelets. The accumulation and the attachment of large numbers of platelets ultimately form a platelet plug.

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3 years ago

5. Why do cells need facilitated diffusion?

marusya05 [52]

It is transported against the concentration gradient by a dependent glucose symporter which provides a driving force to other glucose molecules in the cells. Facilitated diffusion helps in the release of accumulated glucose into the extracellular space adjacent to the blood capillary.

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3 years ago

What would be the result if you had a hypotonic solution with a cell in it?

nadya68 [22]

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1 year ago

In insects body fluids are are drawn into the?

weqwewe [10]

Body fluids are drawn into the valved ostia

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3 years ago

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Which of the following question must be asked about the use of resources in an economic system

Cloud [144]

Answer:

what is the most effective allocation

Explanation:

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2 years ago