Which group of microorganisms is most likely to spoil a freshwater trout preserved with salt?

Many archaeal chromosomes include plasmids.

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

In a chemical reaction, the standard free energy change (?G°') is calculated to be -3.67 cal/mol. What can be said of the chemical reaction?

A) The reaction is at equilibrium under standard conditions. B) The reaction is spontaneous under standard conditions. C) The reaction is not spontaneous under standard conditions. D) Reactants predominate over products at equilibrium under standard conditions. E) There can be no reaction.

Which experiment would not be considered an ecological study?

A) the effect of a housing development on a spotted salamander population in a vernal pool B) the effect of changing availability of acorns on a population of squirrels C) the effect of a red tide outbreak on sea birds in the area D) the effect of a hormone on the rate of blood vessel formation

Which class is composed mostly of freshwater parasites called leeches?

a. Hirudinea b. Oligochaeta c. Cestoda d. Polychaeta