1. Because kids have time to do everything
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.
Answer:
Answer is true.
Explanation:
A systemic circulation involves the supply of functional blood which is known as the oxygenated blood to cells or body tissues, and subsequently picks up carbon [iv] oxide and other waste products.
The erythrocytes are the red blood cells which when mixed with oxygen become bright red in color.
Note that, systemic tissues are where the oxygen from the heart are being released and the waste products are absorbed.
Answer and Explanation:
Long-tailed dogs and short-tailed dogs produce offspring with medium-length tails. incomplete dominance
There are two possible colors for a flower and one is more common than the other. dominance
The height of an individual is determined by multiple genes working together. polygenic inheritance
Despite alleles for A B, and O being present, only AB blood type is expressed. multiple allele
Answer:
It only allow certain material to enter the cell
