Pathogens that enter through the gastrointestinal tract are adapted to survive ____ and ____
Fill in the blank(s) with the appropriate word(s).
Abrupt pH changes
Digestive enzymes
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A covalent bond:a
forms only between identical atoms. b. involves a sharing of only one pair of electrons. c. is always polar. d. may be polar or nonpolar depending on the atoms involved. e. always forms between identical molecules.
Science
A. answers questions concerning values and morals. B. creates theories and laws that are always true. C. is a process used to arrive at a solution to a problem. D. has all of the answers to the problems that plague mankind.
All the members of a species that live within an ecosystem form a(n) ________
Fill in the blank(s) with correct word
In a ________ reaction, two small molecules are joined by a covalent bond, and a water molecule is released
a. hydrolysis b. dehydration c. decomposition d. liquidification