In a researcher's lab in the EEB department at UM, they expose small crustaceans to infectious diseases. An undergrad working in this lab put 3 infected hosts in a beaker with 15 uninfected hosts. 6 of the uninfected hosts became infected. What is Ro for this disease?

A. 2
B. 0.5
C. 15
D. 6
E. 3

4.06 hc)a five-year review of threats to the southern resident orca population of the united states concluded that the top threats were prey availability, contaminants, and effects from recreational and whale watching vessels. further down the list are oil spills, disease, and effects from commercial vessels not targeting whales. how might this list be different if it were for transient whale populations, which have a larger average population size and live farther offshore in open waters? a)the transient population is more likely to be affected by contaminants. b)the transient population is less likely to be affected by whale watching vessels. c)the transient population is more likely to be affected by disease. d)the transient population is less likely to be affected by prey availability.

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.

What drives the atp synthase reactions that produce atp