Which of the following statements about dna are true?

(a) the bases are located inside the helix formed from two polynucleotide strands.
(b) the grooves all have the same dimensions.
(c) the two strands run in the same direction.
(d) within experimental error, the mole percent adenine was always the same as the mole percent thymine, while the mole percent guanine was always the same as that of cytosine.

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant

Place the steps tor the formation of the enzyme pepsinogen in correct order

When in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? view available hint(s)when in solution, a molecule that moves slowly across an artificial membrane moves rapidly across a plasma membrane. this molecule rapidly enters the cell regardless of whether its concentration is higher inside or outside the cell. using this information, which transport mechanism is most likely to be responsible for the movement of the molecule across a plasma membrane? active transportexocytosis