When most main sequence stars exhaust their hydrogen supply, they become giants. Yet on the diagram, there are not many stars between the main sequence and the giants. What would explain this fact?

When rutherford performed his metal foil experiment, he was surprised that most of the alpha particles

Packet fragmentation is not normal, and can only occur if an attack has been initiated. true false

Dna replication is called semiconservative because a. no extra nucleotides are incorporated into the replicated dna molecules. b. both of the resulting dna molecules are composed of new strands of nucleotides. c. the two resulting dna molecules each have one new dna strand and one old strand from the original dna molecule. d. the sequence of nucleotides in one strand is conserved, whereas the new dna molecule consists of a unique sequence of nucleotides.