The correct answer is option A
A person that is having an allergy with pollen grains should take antihistamines.
When there is an allergic reaction in the body then the body releases histamines which evokes immune response.
As a result of this the person starts sneezing, runny nose, hives et cetera.
So, one should take antihistamines to prevent the action of histamines on the body.
Bacteriophage is added to a culture of human t cells and none of the human t cells were infected by bacteriophage because T cells lack the relevant cell surface receptors that bacteriophage viruses utilizes to identify them.
<h3>What is Bacteriophage and it's relation with Human body ?</h3>
Bacteriophage is a virus which first infect and then parasite and replicated within bacterial body.
Bacteriophages are an essential component of the human microbiome and a vital mediator of genetic exchange between pathogenic and non-pathogenic bacteria, despite the fact that they cannot infect or multiply
in human cells.
To know more about Bacteriophage please click here : brainly.com/question/9292555?
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INVERTEBRATE refers to animals such as insects, sea anemones, and worms that lack an interior skeleton.
Interior skeleton are also identified as back bone. So organisms without back bone are called invertebrates.
Answer: Option A
Explanation:
Plants intake the carbon dioxide that is present in the atmosphere. They absorb it and along with water and other materials in the presence of sunlight is converted into chemical energy.
This chemical energy is glucose and the by-product that is released by splitting of water into oxygen and hydrogen ions is released into the environment.
This oxygen is required for the process of cellular respiration.