-Plant cells are more rigid due to the cell wall.
<span>Cytotoxic t-cell subpopulations are specialized to combat intracellular pathogens, whereas helper t-cell subpopulations are specialized to combat extracellular pathogens.
</span>Cytotoxic t-cell are CD8+ cells. Cytotoxic t-cell uses granzymes to <span>kill </span><span>intracellular bacteria, that lives in the cytosol such as viruses. They identify the pathogen forgein peptids that are bounded to MHC-I on the cell surface.
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cd4+ T helper (Th) cells include Th1, Th2, and Th17 cells. They contribute to aliergic reactions and fighting extracellular parasites.
Answer:
A
Explanation:
the selectively permeable membrane should be plasma membrane.
and it states it follow concentration gradient
so i think it is <u>A</u>
osmosis is for water
I hope i helped you.
<span>B) All water within the earth, on the earth, and in the atmosphere.</span>
Monosaccharides are the most basic form of sugar and can not be broken down into a smaller form. They are usually colorless, water-soluble, and crystalline solids. Examples of monosaccharides include glucose and fructose.