They are soluble. Often, they are of an appropriate polarity and size as well.
Answer:
<em>Option "A" might be the correct answer</em>
<em>Explanation:</em>
<em>there are some of those viruses where it can be quite potent. Some viruses, such as the rhinoviruses, seldom cause serious illness. But others, such as parainfluenza and respiratory syncytial virus, can lead to severe lung infections in young children.</em>
The first one with the boxing crab and anemone is mutualism.
The second one with the dog and flea is parasitism.
Answer:b; exocytosis
Explanation: leukocytes are amoeboid white blood cells, which are involved in immune response .such response included combating foreign bodies like micro organisms which invade the body.they do this by engulfing the micro organisms and digesting them.
Phagocytosis, pinocytosis, receptor mediated endocytosis are the ways in which the cells engulfs the Invaders.
In endocytosis,the membrane of the cell traps the organism by forming an invagination.it then encloses the micro organism and digests it.
