In the early 1950s, James Watson and Francis Crick ____

a. were awarded the Nobel Prize for Medicine or Physiology
b. combined all of their previous research in order to explain the structure of DNA
c. began to work out the structure of DNA by organizing the information about DNA that was already available
d. produced X-ray diffraction photographs from highly purified DNA samples

e. isolated two strains of S. pneumoniae and used them to further research the structure of DNA


c

Biology & Microbiology

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Chemical subunits called amino acids combine to make ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

An intraepidermal lymphocyte migrates to a lymph node and matures into a dendritic cell after phagocytosis of an antigen.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The purpose of a vaccine is:

a. to cure the disease b. to cause the onset of a fever c. to develop innate immunity d. to elicit an active immune response e. to kill any infected cells present in the body

Biology & Microbiology

Some highly specialized cells do not undergo a cell cycle.

a. true b. false

Biology & Microbiology