Answer:
Tubules?
Explanation
The trachea, spiracle, and air sac are part of their respiratory system, Howeber, the tubules are what take away the carbon dioxide from their system. Im not sure if they produce the carbon dioixde. But they are a part of what removes the carbon-dioxide from their body.
The answer is D. When prevention methods are necessary.
Taskmaster answered this one. Question she/he answered was What is a word for a fat-soluble signal molecules that are derived from cholesterol.
Cell membrane is comprised of phospholipids (its major component ) which can create lipid bilayers because of their water attracting characteristics. Another lipid inside the cell membrane is cholesterol, which makes the cell membrane more fluid. Cholesterol is a waxy fat-like substance found in all cells of the body.
When you have a high cholesterol, it can create a plaque in your arteries thus, develop a high risk of heart disease. People who have high cholesterol has a greater possibility to acquire coronary heart diseases.
Answer:
D
Explanation:
Alleles are the different possibilities for the trait (brown, blue, green.)
