This question has MORE THAN ONE CORRECT ANSWER. Which of the following are characteristics of active transport?
Involves polar molecules.
High to Low Concentration
Involves large molecules. .
Does not require energy

image result for how many calories of energy will 20 grams of carbohydrates provide in one gram provides 4 calories

consuming the right balance of protein, carbohydrates and fat can you maintain a healthy weight and optimize your energy levels. protein and carbohydrates both contain 4 calories per gram, while fat provides 9 calories per gram.

the offspring would all be white. if the parents are both white flowers then they have the genotype rr, which when crossed results in an all white punnet square.

its temperature is increasing. this causes molecular vibrations to increase.