The portion of an enzyme to which substrates bind is referred to as the
A) substrate complex.
B) active site.
C) catalytic site.
D) junction of van der Waals forces.
Answer: B
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Smaller prokaryotic cells generally grow faster than larger ones due to a higher surface-area-to-volume ratio
Indicate whether the statement is true or false.
Which structure associated with the human heart contains oxygen-rich blood?
a. right atrium b. right ventricle c. pulmonary artery d. aorta e. superior vena cava
Nutrients that encourage the growth of beneficial microbes in the intestines are known as ________.
A. lantibiotics B. probiotics C. phytobiotics D. prebiotics E. riboswitches
Which of the following observations about flagella is true and is consistent with the scientific conclusion that the flagella from protists and bacteria evolved independently?
A) The flagella of both protists and bacteria are made of the same protein, but the configuration is different. B) The mechanics of movement and protein structure are the same in these flagella, but there are significant genetic differences. C) Although the mechanism of movement in both flagella is the same, the protein that accomplishes the movement is different. D) The protein structure and the mechanism of movement in protist flagella are different from those of bacteria flagella.