Which region of the lac operon would you target if you want to disrupt the -10 and -35 consensus sequences?
A) lacZ
B) lacY
C) lacI
D) lacP
E) lacO
D
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Some viruses cause abnormal growth of cells rather than destruction. This is called ________.
Fill in the blank(s) with the appropriate word(s).
Altruism can be distinguished from reciprocal altruism because altruism is defined as ____ but
reciprocal altruism involves ____.
a. the sacrifice of an individual's reproductive success to help others; the expectation of a future favor in return for present aid b. aid given to nonrelatives; benefits given to close relatives only c. the expectation of a future favor in return for present aid; close relatives helping each other d. low-risk behavior that provides minor benefits to others; high-risk behavior providing major benefits to others e. aid given to relatives; benefits given to nonrelatives only
Sugars dissolve well in water because of water's ________.
A. polarity B. cohesiveness C. ionic bonds D. hydrophobic exclusion
The group ________ includes brown algae and diatoms
Fill in the blank(s) with correct word