Describe the process of replication using the following word bank: (Hint: Use reading #2 to help you with this task)
DNA
Unzips Splitting
weak bonds
helicase
nucleotides
Exposed
Complementary hydrogen bonds
original strand

The pattern of this wave changes between its beginning and end. what is true about the amplitude and wavelength of the wave when the pattern changes?

Which is an advantage of having memory cells when a pathogen is encountered for a second time. a) the memory cells are what proliferate into clones of cells in response to the binding of an antigen. b) memory cells are vital to the primary immune response in that they immediately recognize pathogens even at the first encounter. c) memory cells are essentially effector cells that are short lived and attack antigens even without having a receptor specific to that antigen. d) it ensures that more lymphocytes with a receptor specific to a particular antigen will be present than in a host that had never encountered that pathogen.

Wich organism obtains its energy from dead or decaying matter