In the disease atherosclerosis, a sticky material called plaque collects on the walls of the arteries. How would this disease affect blood pressure and blood flow?

In atherosclerosis, plaque can grow to create a blood vessel stenosis. This stops the flow of blood upstream of the obstruction and increases the vascular resistance it causes an increase in blood pressure

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.

c) 50% there are four chromosomes. after crossing over, 2 of the four have been changed. that means any gamete has a 2 in 4 chance or 50% chance of receiving the mutated chromosome.