Answer:
The correct answer is option B.
Explanation:
MHC or The major histocompatibility complex is a series of genes that have information and rise to cell surface proteins required for the adaptive immune system to recognize the pathogen or the foreign molecules, There are three classes of MHC - MHC1, MHC2, and MHC3.
MHC class II generally present only on antigen-presenting cells such as single nuclear phagocytes, dendritic cells, thymic and B cells.
Thus, the correct answer is option B.
Its our warm bloodlessness we stay at one temp because our blood has to be that warm at all times
Out of the following given choices;
A) her sex.
B) how tall she is.
C) how long her hair is.
D) the color of her eyes.
The answer is C. The length of hair is not determined by
genetics but rather by the time period of the growth phase (anagen phase) of
the hair follicle, before shedding in the telogen phase. The longer the anagen
phase the longer the hair will be before shedding. The hair on the head has
longer anagen phase compared to hair in regions such as the eyebrows.
Are you looking for projects like experiments?
Answer:
Gills
Explanation:
In order to remove oxygen from the water, they rely on special organs called "gills." Gills are feathery organs full of blood vessels. A fish breathes by taking water into its mouth and forcing it out through the gill passages.
www.wonderopolis.org › wonder
How Do Fish Breathe