Replication of most ________ viruses is similar to normal cellular processes.
A. dsDNA
B. ssDNA
C. +ssRNA
D. -ssRNA
E. dsRNA
Answer: A
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The natural habitat of Chryseobacterium sp. can best be described as the:
a. mucous membranes of animals. b. gastrointestinal tract of humans and other animals. c. natural environment. d. genitourinary tract of animals.
Your professor brings in a soybean plant that he uprooted from nearby. Small growths on the roots are stained to show bacteria. Your professor explains the bacteria can "fix" nitrogen into a usable form for the plant. The growths are called
A. root hairs. B. nodes. C. sieve tubes. D. nodules. E. internodes.
Which of the following definitions is
CORRECT?
a. A community refers to interaction between populations and their environment. b. A community refers to interaction between species and their environment. c. A community refers to the area in which different species live. d. A community refers to all species that live and interact in a specific area. e. None of these are correct
Which isolating mechanism is postzygotic?
A. hybrid sterility B. ecological isolation C. temporal isolation D. mechanical isolation E. behavioral isolation