Which of the following represents an
monohybrid cross?
a. AA x aa
b. Aa x Aa
c. AA x AA
d. aa x aa
e. all of these are monohybrid crosses
B
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Match the following items with the correct phrases.
_______1. Crenation of red blood cells would occur if they were placed into a(n) __________ solution. _______2. Adding large quantities of salt or sugar to various types of foods is a way of preserving them. If bacteria should enter such foods, they would find themselves in a(n) __________ environment. _______3. If red blood cells were placed into a(n) __________ solution, they might hemolyze. a. hypertonic b. hypotonic c. isotonic d. gin and tonic
The active site for carboxypeptidase
A) contains amino acids that are contiguous to one another along the primary sequence of the protein. B) uses iron as the prosthetic group. C) involves only 6 out of a total of 307 amino acids. D) contains a glutamate residue at position 69. E) is formed by the interaction of two polypeptide chains.
Most water that enters the gut is absorbed across the lining of the _____
a. stomach c. large intestine b. small intestine d. esophagus
In a population growing exponentially,
a. the number of individuals added to the population next year is greater than the number added this year. b. the population growth rate increases year after year. c. net reproduction per individual increases year after year. d. the number of individuals added to the population next year is greater than the number added this year, and the population growth rate increases year after year. e. the number of individuals added to the population next year is greater than the number added this year, the population growth rate increases year after year, and net reproduction per individual increases year after year