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nasty-shy [4]
3 years ago
5

Please help biology 15 points

Biology
1 answer:
Bezzdna [24]3 years ago
7 0

For the yellow line the respiratory rate would be increased because the lion is running to catch their prey and using more oxygen making them need to breath faster increasing the respiratory rate.

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Viral hemagglutination assays only work with certain types of viruses because
nignag [31]

Answer:

a. the virus must be able to cross-link red blood cells directly.

Explanation:

Viral hemagglutination assay is a method which is used for the quantification of the relative concentration of the viruses.

The principle on which the hemagglutination assay works is as follows:

  1. There are sialic acid receptors present on the surface of the red blood cells which will bind to the haemagglutinin glycoprotein present  on the surface of the viral particle. 
  2. Due to the binding of the sialic acid receptors with haemagglutinin particle there will be cross-linking of the red blood cells by the viral particles and a lattice formation will take place. 
  3. The lattice will remain suspended in the solution however if the concentration of the virus particles will be less, the lattice will settle down in the well. 

Thus, this method allows knowing the relative concentration of the virus. 

<em>Due to its basic principle of cross-linking this method works well for only a few viruses such as influenza virus. </em>

5 0
3 years ago
Patrick wants to trace the progress of development of a frog embryo. Which technique will he use for this?
Oduvanchick [21]
It should be C! (: Fate mapping because it is used do dermine tissue linage!
While Differentiation is used when one cell type changes from one cell to another.
When it comes to the process an undifferentiated cell is already programmed to become a specific cell type by following a specified path towards cell differentiation.
I hope all is well, and you pass! (: Good luck, rockstar! If you need any further information, let me know. (:
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3 years ago
Size and energy of a storm depends on the...
vodomira [7]

Answer:

the wind

Explanation:

the speed of wind could affect a storm adding with the rain

8 0
3 years ago
This type of selection means selective breeding of plants and animals
Talja [164]
Artificial Selection.
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During photosynthesis green plants produce
Elanso [62]

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Explanation:

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