A model of a DNA molecule is shown below. X indicates
and Y indicates
Х
А
MIL
GESEC
CEG
Y
Оа
Ob
Ос
X-Hydrogen bond, Y-Phosphate
X-Sugar, Y-Cytosine (Base)
X-Phosphate, Y-Sugar
X-Adenine (Base), Y-Hydrogen bond
When a human or animal consumes food, the carbon in that food is most likely to be converted into which of the following elements? a. carbon remains carbon b. nitrogen c. oxygen d. hydrogen
Kudzu vines grow by climbing and wrapping around trees. trees covered by kudzu can die because they are starved of sunlight. what type of relationship exists between the trees and the kudzu growing on them?