Which statement describes DNA?
A. Chromosomes are wrapped around proteins and condensed into DNA.
B. DNA stores an organism’s genetic code.
C. DNA is found in the ribosomes of cells.
D. Segments of DNA, called chromosomes, are used as a set of instructions to produce proteins.

Which type of fossil does this image depict?

The characteristics of two different types of reactions are shown below: reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of an element. which statement is true about the atoms of the elements that participate in the two reactions? their identity changes in both reaction a and reaction b. their identity changes in reaction a but not in reaction b. their identity changes in reaction b but not in reaction a. their identity remains the same in both reaction a and reaction b.

The organs inside the body and how they function together