Semi-conservative replication of dna refers to
the idea that (3.3)
a. dna molecules need to unwind before
replication begins
b. each new dna molecule contains two new
single rna strands
c. two strands of dna molecules run in
opposite directions
d. each half of the original dna molecule is
joined with a new complimentary strand

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Donde se encuentra el adn nuclear en un organismo eucariota?

The negative impacts of nonnative species generally outweigh the positive impacts