Answer to Question 1
Purple
Rationale: Gram-positive cocci or gram-positive bacilli stain a dark purple to blue.
Answer to Question 2
Mode of exit
Rationale: It is the mode of exit--the means by which the pathogen leaves the reservoir host. The mode of transmission is the means by which the pathogen is transported from the reservoir host to another susceptible host. The reservoir host harbors the pathogen, the mode of entry is means by which the pathogen comes into the susceptible host, and the susceptible host is an organism this is able to be infected by the pathogen.
Changes in light quality with depth: (a) the rich colours on a shallow coral reef;
Color-enhanced scanning electron micrograph of HIV virus (red) infecting T-helper cells (green).
With the research technique called brainbow, each neuron is labeled with a different color, ...
The Phytochemical Color Guide
Variable expression of yellow phenotype in mice caused by diet-related epigenetic changes in the gen
Polyribosomes in bacteria