The control group is B and experimental group is A
Answer:
They are stimulated by an antigen.
Explanation:
Natural killer cells are cytotoxic cells that help our body in innate immune response. These are an critical and important component of the innate immune system of our body. These natural killer cells provide a rapid response towards the virus infected cells. These cells have capability to detect MHC that are present on the infected cells. Natural killer cells do not require activation for killing those cells which are missing MHC I. Due to this feature, they are named as the Natural killer cells. These cells can directly induce the death of tumor cells and play an important role in immunosurveillance.
Three layers. The epidermis is the top layer of skin. This layer is for making new skin cells, provides a waterproof barrier, gives skin its color and is your protective layer. The dermis which is responsible for supply blood to your skin, hair growth, and the production of sebum (oil) and sweat. Lastly, the hypodermis which is basically made of connective tissue and fat and good for regulating your body temperature (1, 2, 3).
Answer:
Box one: A compound
Box two: bonded chemically
Explanation:
it's a molecule, which is a collection of atoms bonded together chemically through their electrons.
hope that helps!
Answer: She failed to look at the data objectively by trying to get a desired result.
The situation shows that the scientist already has some expected result in mind probably the experiment is done only to validate his assumptions however, when he did not get it right the first time he deviate from the scientific method and failed to treat the data objectively.
