Because the molecules that are being transported is moving against its concentration. gradient. in other words, its moving from where it's low in concentration to where it's high in concentration.
The answer for the above question is Cardiovascular fitness. It is the ability of the heart, lungs, and blood vessels to function efficiently when a person exercises. Cardiovascular system is the body system that includes the heart, blood vessels, and blood, and functions by transporting oxygen and nutrients to body cells and removing cellular wastes. Cardiovascular endurance on the other hand is the ability of the body to work continuously for extended periods of time.
The are formed by cells building carbohydrates polymers, they use energy
to form glycosidic linkages..the bonds between monosaccarides...which
is made by joining two specific monomers, glucose and fructose.
Answer:
Carotenoids absorb light maximally between 460 nm and 550 nm and appear red, orange, or yellow to sight.
