Coliforms are distinguished from noncoliforms by their ability to ferment (glucose/citrate/lactose)
What will be an ideal response?
lactose
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Horses are large herbivores that lack the four-chambered stomach of foregut fermenters like cows. You would therefore expect the equine (horse) gut to have an enlarged _____ relative to omnivores of similar size
A. stomach B. small intestine C. liver D. pancreas E. cecum
In addition to fertilizing the egg, sperm also ____
a. assist the fertilizing sperm in penetrating the egg b. trigger chemical changes in the egg c. dissolve the outer barriers surrounding the oocyte d. release chemicals to speed cell division in the zygote e. trigger chemical changes in the egg that prevent the entry of more than one sperm
Members of two populations in different parts of the world have the same form of inherited breast cancer. The affected individuals in each population have only one specific mutation, but it is different between the two populations. An explanation for this mutation difference among these populations is
A) a founder effect. B) mutations associated with religion. C) random mating. D) Hardy-Weinberg disequilibrium.
A(n) ____ bond is formed between the reactants below.
A. ionic
B. hydrogen
C. peptide
D. polar