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gulaghasi [49]
2 years ago
5

The photograph shows one way individuals work together in groups. What

Biology
1 answer:
notka56 [123]2 years ago
4 0
I think the answer would be. B
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Which of the following is an example of the strength of hydrogen bonds in water?
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The answer is B because when hydrogen is separated from O2 it soluble
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List the five classes of antibody heavy chains and provide one function for each.
Lesechka [4]

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IgM, IgA, IgE, IgD and IgG

Explanation:

IgM functions in the initial response to offence.

IgA is important for protection of mucus membranes such as in saliva, sweat, tears and gastric fluid.

IgE is active during allergic reactions and defense against infections.

IgD is found on the surface of lymphocytes and is activated upon contact with antigens.

IgG forms part of the secondary response to antigen and is also responsible for newborn protection.

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an organism has the following characteristics cell wall heterotrophic unicellular and prokaryote which kingdom does it belong in
MissTica
It is kingdom monera
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In humans brown eyes are dominant to blue eyes. A cross between a heterozygous brown-eyed individual and a homozygous blue-eyed
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50%

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4 0
3 years ago
Explain /Define About Epidermis In Plant According To Class 9th<br>Plz Answer It Guys​
jasenka [17]
<h3 />

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<h3>⇝ <u>Epidermis</u> :</h3>

Protective tissues includes epidermis & cork. Epidermis is basically a simple permanent tissue, protective in function. It forms one-cell-thick covering over all the parts of plant.

<h3>⇝ <u>Characteristics of Epidermis</u> : </h3>
  • Epidermis is formed of living cells, arranged in a single layer.

  • In aerial parts, epidermis is covered with a waterproof and noncellular waxy covering called cuticle.

  • Cells form a continuous layer, but in leaves epidermis has small openings called stomata.

  • Each stoma is guarded by a pair of bean-shaped guard cells which govern opening & closing of stomatal aperture.

<h3>⇝ <u>Functions of Epidermis</u> :</h3>
  • Epidermis protects the underlying tissues from mechanical injury, chemicals & infection.

  • Cuticle of epidermis protects against water loss & desiccation. It checks the rate of transpiration & evaporation and prevents wilting.

  • Stomata in the epidermis of leaves help in gaseous exchange during respiration & photosynthesis.

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8 0
2 years ago
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