Which of the following is not true about DNA replication? a. DNA replication results in two semi-conservative strands of DNA.
b. DNA helicase separates nucleotides by breaking hydrogen bonds.
c. The double strand unwinds and unzips.
d. The new DNA molecule has two newly-made strands.

Rue or false siblings look simila rbecause they each have some traits of their parents.

8) animals respond in various ways to stimuli detected through their senses. some of these responses are stimulated by the presence of danger. which of these animal responses is the best example of a response to an immediate threat? a) a rooster crows every morning at the first sign of light. b) as something approaches an octopus, it shoots a cloud of ink. c) from late fall until spring, bears hibernate to preserve energy. d) a dog is getting hot in the sunlight, so he moves to a shaded area.

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.