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adoni [48]
2 years ago
14

Do dead trees have cells

Biology
1 answer:
olasank [31]2 years ago
3 0
Yeah they do have cells
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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
Which is true about adaptations?
hichkok12 [17]
I’m sure it is D I just took the test
5 0
3 years ago
Define population. How is a population different from a community
icang [17]
A population is all the organisms of the same species in a group, like humans. Population is different from a community in that a population is every organism of the species grouped as a whole, and a community is a certain number of organisms within the whole population. That may not make sense, but that’s as good as I can describe it.
8 0
2 years ago
Read 2 more answers
Characteristics
Oduvanchick [21]

Answer:

One reason that Organism A and Organism C will be placed in different groups will be due  to their MODE OF NUTRITION.

As described in the question, Organism A has an autotrophic mode of nutrition which means that it has the capability to produce its own food. Organism C is a heterotroph which means it cannot produce its own food and hence will have different properties as compared to the organism A.

8 0
3 years ago
In the central dogma, the rna-to-protein step is termed.
Zarrin [17]

Answer:

translation

Explanation:

a process called translation uses this mRNA as a template for protein assembly. In fact, this flow of information from DNA to RNA and finally to protein is considered the central dogma of genetics, and it is the starting point for understanding the function of the genetic information in DNA.

5 0
2 years ago
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