Answer:
This is the basis for Chargaff's rule; because of their complementarity, there is as much adenine as thymine in a DNA molecule and as much guanine as cytosine. Adenine and thymine are connected by two hydrogen bonds, and cytosine and guanine are connected by three hydrogen bonds
Answer:
The answer is most likely D.
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Answer:
oxygen and carbon dioxide
<h3><u>Answer;</u></h3>
produce a layer of enzyme laden mucus that captures dirt and destroys inhaled bacteria
<h3><u>Explanation;</u></h3>
- Secretions from the highlighted glands <em><u>produce a layer of enzyme laden mucus that captures dirt and destroys inhaled bacteria </u></em>
- <em><u>During inhalation airt that contains dust particles or bacteria or other microorganisms may enter the air ways. </u></em>
- <em><u>The layer of the airway covering the airways, is rich in antimicrobial compounds and mucins that are responsible for removal bacteria and other microorganisms from the airway .</u></em>
- <em><u>This layer consist of mucus that traps, kills, and also inactivates the bacteria. </u></em><em><u>It also contains periciliary fluid which keeps mucus at optimum distance from the underlying epithelia, to enhance bacteria clearance and the motility of cilia.</u></em>
