If you take an antibiotic by mouth for a long period of time, you may become deficient in certain vitamins. How can this be true?
What will be an ideal response?
The antibiotic kills off the normal bacteria in the large intestine. Because many of these bacteria make important vitamins that are absorbed by the body, eventually vitamin deficiencies are possible.
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The metabolism of some bacteria transforms uranium from its soluble form to an insoluble form
Indicate whether the statement is true or false.
In carbohydrates, electrons are shared unequally between oxygen and hydrogen atoms (electrons are more strongly attracted to the oxygen). Would you predict that glucose is soluble or insoluble in water?
a. soluble b. insoluble
How did Darwin define the struggle for existence?
a) competition for finite resources among members of a population b) the presence of successful adaptations c) descent with modification d) the development of homologous structures in different species
Consider a slime mold slug and a colony of Volvox carteri, both of which contain both soma and germ cells. Is a slug or a colony an individual? Explain
What will be an ideal response?