Organs.
if you're having trouble remembering them they are
cell
tissue
organ
organ systems
organism
Answer:
Environmental Tobacco Smoke
The part of the leaf that is connected to the transport sister in the veins of the leaf.
The answer would be A. a virus
The question states that the blood was filtered thru a porous material that prevented <u>all cells </u>from passing thru.
All of the options are cells except viruses.
Hope this helps:)
The hepatitis B and the human papillomavirus (HPV) vaccines are made this way. The vaccine is composed of a protein that resides on the surface of the virus. This strategy can be used when an immune response to one part of the virus (or bacteria) is responsible for protection against disease.Jun 28, 2016
