Glucose will pass through a cell membrane with the aid of what?

Which of these is not a nucleotide base found in dna?

You and a group of friends are spending your vacation hiking through the mountains. it is cold in the mountains. you will be expending a lot of energy while hiking and you will need plenty of energy to keep you warm. you should pack foods high in to provide the most energy or kilocalories per gram of food. a) carbohydrates b) lipids (fats) c) proteins d) sugars

Light sensitivity in euglena is provided by the