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 transcription process occurs in three stages:
initiation, chain elongation, and termination.
Transcription is the process in which the information in a strand of DNA is copied into a new molecule of messenger RNA.
hope that helps :)
Asthma is due to spasms in the bronchi of the lungs making the task of breathing require more effort.
Your answer would be C because A affects the natural environment and can cause harm to it, B would affect the surrounding animal population and cause imbalances in biodiversity if they are not able to eat the foods they are used to, and D is not much of a benefit since you are losing the flavor that is naturally in the plants.
Ribosomes make proteins inside a cell.
