Why is DNA replication sometimes referred to as a "semi-conservative" process?
1. It only uses new stands of DNA.
2. It consist of 2 original and 2 new strands
3. It only uses old strands.
4. All the above is incorrect

How energy move through ecosystem ?

Aplant with dark red flowers is crossed with a plant with white flowers. all of the offspring have dark red flowers with white spots. the alleles got flower color in this plant are both dominant both recessive codominant incompletely dominant

Which state of matter has the following physical properties: ~ takes the shape of the container it is in ~ takes the volume of the container it is in ~ low density. answer is gas