How do prokaryotes alter their genetic makeup through conjugation?

a. by moving DNA with a pilus
b. by incorporating surrounding DNA into the genome
c. by moving DNA with a bacteriophage
d. by using microbial metabolism to accept new DNA


a. by moving DNA with a pilus

Biology & Microbiology

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Habituation and sensitization are forms of ____ learning, meaning that they occur in the ____ of a particular outcome, such as a reward or punishment

Fill in the blank with the appropriate word.

Biology & Microbiology

In the experiment with Peacock butterflies, the

working hypothesis is that a. mimicry confuses both predator and prey. b. mimicry conveys a selective advantage to the prey. c. birds are capable of learning. d. birds are agents of evolution. e. unpalatable species display distinctive wings.

Biology & Microbiology

Speciation that occurs in bird populations that nest on either side of a river could be an example of ________speciation.

A. divergent B. parapatric C. allopatric D. convergent E. sympatric

Biology & Microbiology

Thrush can be one sign of HIV/AIDS during the symptomatic stage.

a. true b. false

Biology & Microbiology