Because they have less resources to fight off disease and nothing to use for immunity. Sub Sahara Africa is also very poor
Answer:
C. capillaries connect arteries and veins.
Explanation:
A is false, veins carry blood towards the heart.
B is false because arteries are the thickest blood vessel.
C is completely true
D is false, heartbeat is controlled by electric impulses
Fat is less soluble in water compared to phospholipids.
This is because, fat is made up of three molecules of fatty acids which are not polar in nature at all, thus they mixed very poorly with water.
Phospholipids on the other hand has its molecules divided into two distinct regions, the head and the tail region. The head region is hydrophillic and it is polar in nature, that is, it mixes well with water. The tail region is made up of the fatty components and it is hydrophobic.
Because of this difference in structure, phospholipid will dissolve better in water.
Venus is often called the sister planet of Earth because of its size, mass, and what its material its made of.
Answer:
Explanation:
it becomes distorted, it can no longer bind to its substrate, it no longer works correctly. ... they each have a unique shape that the substrate needs to stick to.
