Which statement about bioremediation is FALSE?
a. Methogens are used in sewage treatment.
b. When bacteria break down toxins, they leave behind harmless byproducts.
c. Very few species of bacteria are used to clean up various forms of pollution.
d. Bacteria and other microorganisms are used to break down oil from oil spills.
e. The byproducts of microorganisms breaking down toxins are often carbon dioxide and chlorides.
c
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After the primary stain has been added but before the decolorizer has been used, gram-positive organisms are stained ________ and gram-negative organisms are stained ________.
A. purple; colorless B. purple; purple C. purple; pink D. pink; pink
is osmosis carrier mediated transport or non carrier mediated transport
What will be an ideal response?
In which structure does fertilization take place?
A) uterus B) ovary C) oviduct D) cervix
A loaf of bread was left uncovered for two weeks on a scale measuring its mass. Mold grew on it, decomposing the bread. Assuming that the bread did not dry out, which of the following is a reasonable prediction of the weight of the bread and mold together?
What will be an ideal response?