Bacteria in your lab are grown under two conditions, one with exposure to glucose and the other with lactose. what best describes the effects glucose will have upon the enzymes used to metabolize lactose?
glucose will turn off all trp genes.
glucose repression stops the lac operon from being induced.
nothing as the enzymes that metabolize both lactose and glucose are the same.
the enzymes needed to metabolize lactose are inhibited.
induction of the enzymes is reduced.

1. loamy sand is about 80% sand with 10% clay and defined mostly by sand particles with some clay to provide structure and fertility. the sand particles are easily visible and the soil holds structure but breaks apart easily.

2. scott sand can improve his soil quality by incorporating more silt and organic matter into the soil. peat moss and organic matter can also be incorporated.

you should wear a lead protective shield when having teeth x-rays

hope i

-lavira : )

those characteristics are cellular organization, reproduction, metabolism, homeostasis, heredity, response to stimuli, growth and development, and adaptation through evolution. some things, such as a virus, demonstrate only a few of these characteristics and are, therefore, not alive