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Helen [10]
3 years ago
9

an blank pool contains all the alleles different members of a population have and can pass on to their offspring

Biology
1 answer:
kykrilka [37]3 years ago
6 0
They can make more offspring
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Consider the following data.
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Answer:

The correct answer would be B) 3 deaths, 6 births, 5 immigration, 7 emigration.

Explanation:

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3 years ago
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Refine #3- What do viruses need to do in our cells in order to replicate?
Lelu [443]

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Release toxins in the cell

Explanation:

Viruses cannot replicate on their own, but rather depend on their host cell's protein synthesis pathways to reproduce. This typically occurs by the virus inserting its genetic material in host cells, co-opting the proteins to create viral replicates, until the cell bursts from the high volume of new viral particles.

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3 years ago
What are the characteristics is associated with innate immunity?
Diano4ka-milaya [45]

Answer: First line of defense, the cells of the innate recognize and respond to pathogens in a generic and fast way and does not confer long-term or protective immunity. Recruitment of immune cells to the sites of infection and inflammation and activation of the complement system cascade.

Explanation:

Innate immunity is a defense system that you were born with and that protects you against all antigens. Innate immunity consists of barriers that prevent harmful materials from entering the body. These barriers form the first line of defense in the immune response. There are also <u>phagocytic cells</u> of the immune system which include: <u>macrophages, neutrophils, and dendritic cells</u>. The membrane receptors of those cells allow it to act on the recognition of danger signals and they are of the type TLR and PRR. These are Antigen Presenting cells which process the pathogens and display their antigens on their surface and takes it to B lymphocytes for the production of antibodies, which is part of the adaptive immune system.

<u>This means that the cells of the innate recognize and respond to pathogens in a generic and fast way</u> and, unlike the adaptive immune response, <u>does not confer long-term or protective immunity to the host.</u>

So, the main functions of the innate immune response include:

  • Recruitment of immune cells to the sites of infection and inflammation, through the production of chemical factors, including specialized chemical mediators, called cytokines.
  • Activation of the complement system cascade to identify bacteria, activate cells and promote clearance of dead cells or antibody complexes.
  • The identification and removal of foreign substances present in organs, tissues, blood and lymph, by leukocytes.
  • The activation of the adaptive immune response through a process known as antigen presentation.
  • Inflammation is one of the first responses of the immune system to infection or irritation. It is stimulated by the release of chemical factors and serves to establish a physical barrier against the spread of infection, and to promote the recovery of some damaged tissue following clearance from pathogens. Chemical factors produced during inflammation (histamine, bradykinin, serotonin, leukotrienes) sensitize pain receptors, cause vasodilation of blood vessels at the scene, and attract phagocytes, especially neutrophils.

5 0
3 years ago
Scientists discovered that new molten materials from inside the eath create new​
olga2289 [7]

Answer:

Crust

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According to the recently given theory, The theory of Seafloor Spreading the magma or lower most part of the earth's surface which sometimes bursts as (molten lava) plays substantial role in the formation of new crust. This is because when magma or molten lava from the bottom most part of the earth reaches the surface of earth, it cools down and pushes the already existing surface of the earth like rocks from both directions. This pushing of rocks cause the formation of new crust by the molten materials when it cools down.

Hope it helps!

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A molecular compound which dissolves in water and doesn't form ions in solution (not ionized).
ad-work [718]

c. C2H5OH

A common example of a nonelectrolyte is glucose, or C6H12O6. Glucose (sugar) readily dissolves in water, but because it does not dissociate into ions in solution, it is considered a nonelectrolyte; solutions containing glucose do not, therefore, conduct electricity.

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