The specialized structure in a tube worm in which endosymbiotic, chemolithotrophic bacteria live is called a(n) ________.

Fill in the blank(s) with the appropriate word(s).


trophosome

Biology & Microbiology

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Despite being called the reverse citric acid cycle, it is currently identified as the most ancient autotrophic pathway

Indicate whether the statement is true or false.

Biology & Microbiology

Which process results in microevolution without any form of natural selection?

a. genetic drift b. mutation c. development of new characteristics during an individual's lifetime d. genetic variation e. nonrandom mating

Biology & Microbiology

Which of the following mutations always

lead(s) to a shift of the mRNA's reading frame?

a. deletion and insertion b. deletion and substitution c. insertion and substitution d. substitution e. insertion

Biology & Microbiology

Initial treatment for tetanus in an unimmunized person with a puncture wound is

A) tetanus toxoid. B) tetanus immune globulin. C) penicillin. D) none; no action is necessary. E) debridement.

Biology & Microbiology