In order for the testes to function efficiently, other hormones must be present. these include fsh and lh. these two hormones are produced by the

Disinfection of impression materials is usually accomplished by a. sterilization with high heat. b. spray or immersion in a chemical disinfectant. c. sterilization with steam under pressure. d. allowing the impression to sit 24 hours in water until all the organisms die.

Which of the following is most important in making the typical seed more resistant to adverse conditions than the typical spore? a) a different type of sporopollenin b) an internal reservoir of liquid water c) integument(s) d) ability to be dispersed e) waxy cuticle

The bacteria found in soil is usually harmful and measures are taken to remove any traces of microorganisms. true or false