Phospholipids are the main lipids in cell membrane. They consist of hydrophilic (water loving) head and a hyrophobic (water fearing) tail. Thye line themselves in 2 parallel layers (bilayer) The bilayer makes up the membrane
Answer:
Tricuspid valve: Allows blood to pass from the right atrium to the right ventricle; prevents blood from flowing back into the right atrium as the heart pumps (systole).
Explanation:
Answer:
d. this is one part of the cell cycle.
Explanation:
<span>The study of the interactions of genes with the environment is called Epigenetic, is how genes are expressed in relation to environmental factors and how diseases and other conditions develop. It is the study of the impact of environment and lifestyle on the behavior of genes and the way it responds to external factors.</span>
