Answer:
A. glucose
Explanation:
In cellular respiration, electrons from glucose move gradually through the electron transport chain towards oxygen, passing to lower and lower energy states and releasing energy at each step.
Answer:
The Hay-flick Limit is a concept that helps to explain the mechanisms behind cellular aging. The concept states that a normal human cell can only replicate and divide forty to sixty times before it cannot divide anymore, and will break down by programmed cell death or apoptosis.
The oxygen in you lungs are of a higher concentration than it is in your blood This process is through the use of passive transport.<span>Your blood is then returned to the heart and pumped throughout the body. Because your blood has more oxygen in it than your cells do the blood through the use of passive transport again give the oxygen to the cells.</span>
C. milk (such as soy milk, and yogurt). carbs in milk are mainly in the form of the simple sugar lactose, which makes up 5% of milk. in your digestive system, lactose breaks down into glucose and galactose. these are absorbed into your bloodstream, at which point your liver converts galactose into glucose. hope this helps!
