Which of the following terms means "a trait that is different from any traits of
common ancestors"?
O
A. Detrimental mit
O
B. Adaptive trait
O
C. Ancestral trait
O
D. Derived trait

D. Derived Trait

You take an ancestor and you "extract" a trait and you put that trait into the next ancestor meaning you "derive" the trait.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.