Answer:
It is important that he human trachea is reinforced with cartilaginous rings to keep the passage open as pressure keeps fluctuating during the process of breathing.
Explanation:
The trachea is reinforced with cartilaginous rings as it doesn't allow the trachea to collapse in our day to day lifestyle. It also keeps the air way passage open in spite of the continuous pressure changes during breathing.
The rings are not complete posteriorly to provide another advantage, that is it allows the esophagus to expand anteriorly ( inside the body) when we swallow food.
Answer:
<em><u>As the instructor, you supply the carbon source by blowing bubbles in phenol red. The carbon dioxide in your breath will dissolve in water to form carbonic acid, which lowers the pH of the solution. Phenol red turns yellow in a pH lower than 7, revealing in this case the presence of a carbon source.</u></em>
Explanation:
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The answer is true.
<span>
Terminators are sequences of
DNA that mark the end of a gene in genomic DNA during transcription and it
provides transcriptional termination. When RNA polymerase comes to the
terminator, the RNA transcript (mRNA) is released from the transcriptional complex.</span>
Answer:
Adaptations. Organisms have specific structures, functions, and behaviors that enable them to survive the biotic and abiotic conditions of the particular ecosystem in which they live. Organisms possess adaptations to both biotic and abiotic factors in their ecosystem that increase their chance of survival.
Explanation:
