This was because one cannot view a single strain of DNA as it is too small for one to visually comprehend.
<span>Infections
</span><span>viruses
</span>Bacteria
Mold
and so on.
Because the lung has two bronchi, it can still function if one bronchus is blocked by a foreign object. No gas exchange will happen to the affected side, and the other lung will compensate for the loss of air. The blocked portion though can become inflamed and can lead to infection and damage.
Answer:
An ionic bond is formed by transfer of electrons between metals and non-metals.
Explanation:
Ions that have opposite charges will form an ionic bond in such a way that total charge on the compound is 0.
