Which of the following is not true about dna replication?

A. It must occur before a cell can divide.
B. Two complementary strands are duplicated
C. The double strand unwinds and unzips before replication
D. The new dna molecule contains two brand new strands of dna

Secondary pollutants are more harmful than primary pollutants. select the best answer from the choices provided ot of

3points hurry! what is the relationship between biotechnology, sharkskin, and disease resistance? bioengineers have developed an artificial sharkskin that does not allow resistant bacteria to grow on it. disease-causing microbes have been genetically modified to keep them from infecting the skins of sharks. scientists have created a device that can be attached to the skins of sharks that dramatically increases their abilities to resist disease. sharkskin produces many chemicals that can be collected and used to create antibiotics.

Mike has a problem with his testosterone. he is unable to produce enough. which will most likely be affected by his inability to produce testosterone? check all that apply.