Answer:
<em>The correct option is C) C-shaped cartilage rings </em>
Explanation:
The trachea is commonly known as the wind-pipe. The trachea can be described as about a 4 inch long passage from which the air travels into the bronchi and lungs. The pathway of the trachea is kept open by C- shaped cartilages which are lined all over in the trachea. The C-shaped cartilages protects as well as maintain the shape of the wind-pipe. The rigidity of the trachea arises from the C-shaped cartilages.
A mountain lion should have wider bone rings because it has a higher metabolic rate, and thus a faster growth rate
: )
The Sun shines because it is able to convert energy from gravity into light. ... This is what happens to the hydrogen gas in the core of the Sun. It gets squeeze together so tightly that four hydrogen nuclei combine to form one helium atom. This is called nuclear fusion.
Answer:
D. The site of transcription is within the nucleus
Explanation:
this is because the process of DNA is converted into RNA
This requires a protein called RNA polymerase. It will copy certain regions of DNA and convert them into RNA (this occurs in the nucleus) and then this RNA goes to the cytoplasm, where it will be translated into a protein.
Therefore, its D.
