The strucure of dna is actually in a double helix arrangment. Double helix means that the two long chains of nucleotides are arranged in a spiral like a twisted ladder. The sides of the ladder are made up of alternating blank and blank molecules. The steps of the ladder are made of blank blank held together by hydrogen bonds.

When is a hurricane considered to have made landfall? a. when at least one inch of rain occurs b. when the eye reaches the land mass c. when the outer wind bands make landfall d. when it moves inland from the coast

Pls quickly! which of the following is true about the behavior of an organism? a. the behavior of an organism is influenced by both its heredity and it’s environment. b. the behavior of an organism is influenced only by the treats it inherits from its parents. c. the behavior of an organism is influenced only by the environment in which it lives in. d. the behavior of an organism is not influenced by either it’s heredity or its environment.

Anormal strand of dna is shown below, followed by the same strand of dna after mutations have occurred.