The study of Escherichia coli (E. coli) led researchers to new experimental designs for studying operons. The experimental design that the scientist should use it to (B) Test the response of E. coli to a variety of chemicals to determine the number of operons that are present.
So that he didn't feel like no one cared about him and he kept him preoccupied and kept him from remembering to take the pain killers
Answer:
The correct answer is allergies.
Explanation:
Excessive immune response to an antigen is termed as Allergies or hypersensitivity that is occurred due increased inaccurate immune response of our body.
The overreaction or hypersensitivity that is generated by our body usually exerts damage and uncomfortable response to our body.
There are 2 types of Hypersensitivity
1 Immediate type hypersensitivity that occur very fast with respect to an antigen attack.Immediate type hypersensitivity is characterized by the cross linking of antigen with IgE antibody on the Fc receptor of the mast cell which result i the de granulation of basophils and release of histamine.
2 Delayed type hypersensitivity that occur after after several days and months of antigen attack.
Answer:
12. In our somatic (body) cells, we have 2N chromosomes, but in our sex cells (sperm & eggs), we have half the number of chromosomes, which is N chromosomes
Explanation:
