The presence of a hard chancre in primary syphilis is representative of the body's

A. intense inflammatory response.
B. antibody response.
C. rejection of the invaded tissue.
D. septicemia due to infiltration of the organism.


A.

Biology & Microbiology

You might also like to view...

Regardless of the exact approach taken to recombinant DNA technology, one of the keys to successful cloning is choosing the right vector.

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

Biology & Microbiology

The thermostable enzyme most commonly used in PCR is reverse transcriptase.

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

Biology & Microbiology

In animals the diploid phase of the life cycle is always dominant

1.True 2.False

Biology & Microbiology

The initiation of the S phase and the M phase of the cell cycle depends on a pair of molecules called _______ and _______.

a. actin; myosin b. Cdk's; cyclin c. ligand; receptor d. MSH; MSH-receptor e. ATP; ATPase

Biology & Microbiology