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ss7ja [257]
3 years ago
13

Please Help me to answer this!

Biology
2 answers:
LenaWriter [7]3 years ago
8 0
There’s no picture.
NNADVOKAT [17]3 years ago
7 0
You need to put a picture
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A. the tempatures on the islands
vlada-n [284]
B.) the available food on the islands
Since these different beaks were adaptions part of their evolution to be able to be more fit to survive with the food available on the island
8 0
3 years ago
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
According to the envelope in Model 1, who is supposed to receive the letter?
QveST [7]
Jane doe because that is who the envelope is a dressed to
5 0
3 years ago
All microorganisms that regularly populate the human body are referred to as the ___________________..
olga2289 [7]

Answer:

Human microbiome

Explanation:

The microbiota that aggregates in the human tissues including placenta, skin, lungs, saliva, and seminal fluid is the human microbiome. The microbiota can be virus, bacteria, fungi and protists.

The microbiome present in the human gut helps in digestion and also provides immunity. Microbiomes can be healthy or unhealthy and an imbalance of both can lead to weight gain, high cholesterol and blood sugar. These are the ecological communities that includes symbiotic, commensal and pathogenic microorganisms.  

7 0
3 years ago
What inferences can you make regarding the ph of a particular part of the digestive system and the type and relative size of the
jekas [21]
From the data of pH, the type <span>and relative size of the carbon-based molecules, you can relate these to determine at which levels that a certain carbon-based molecule. Hope this answers the question. Have a nice day. Feel free to ask more questions.</span>
8 0
3 years ago
Read 2 more answers
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