A DNA molecule consists of two strands of nucleotides twisted together to form a double helix. The sugar-phosphate backbone is found on the outside of this helix and the bases are found braching towards the middle. Hydrogen bonds join the thenitrogenous bases and hold the two strands together.
Therefore your answer is sugar and phosphate.
Answer:
Hey
Explanation:
How are hoy mi mamá os rodrigo
Introduced species
Ecosystems are complex systems that are in dynamic equilibrium with constant interactions between their parts.
When a new species is introduced, new interactions will occur, generating new components of the system and also competing with the previous interactions between the species already present in the system, which normally ends up generating an imbalance in the ecosystem mentioned, i.e a disruption in it.
Answer: false
(I hope this is right i don't know )
Explanation: No. Organisms do not control how they adapt. Adaptations occur randomly over time and may or may not provide a helpful behavioral or physical change that allows for a successful response to environmental demands
