Answer:
The correct answer is C) There is a larger variety of MHC proteins that can be expressed on the cell surfaces of their immune cells, providing a wider opportunity to recognize and attack pathogens.
Explanation:
A ) Would be the correct answer!
-Hope this helps you:))
Answer:
Pallor is caused by vasoconstriction of the dermal blood vessels
Explanation:
Pallor is paleness or wanness usually caused by vasoconstriction of the dermal blood vessels.
In other words. A deficiency in the color of the face.
The right answer is HEPA filter.
A HEPA filter (High Efficiency on Particles Air) can filter up to 99.97% of 0.3μ aerial particles.
These filters are used to clean the air and retain suspended particles (dust, pollen, bacteria etc.) and other particles that can cause respiratory allergy in sensitive subjects.
They are very used in sterile rooms
I think it’s the phenotypes
