Which term refers to growing useful mutants that develop from callus culture?

a. grafting
b. protoplast fusion
c. fragmentation
d. somatic embryogenesis


Ans: d. somatic embryogenesis

Biology & Microbiology

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One function of the 3' UTR (untranslated region) of mRNA is to ____

a. control the half-life of mRNA b. bind RNA polymerase to initiate transcription c. help activators bind to the enhancer region d. base pair with the translated region of the transcript to mark it for degradation e. bind ribosomes to initiate translation

Biology & Microbiology

Which of the following plants were dominant

in the Carboniferous period?

a. club mosses b. peat mosses c. ferns d. liverworts e. more than one of these

Biology & Microbiology

A solution with a pH of 7.4 ____

a. is considered an acid b. has more H+ than OHc. has equal numbers of H+ and OHd. has a pH similar to ammonia e. is similar in acidity to normal body fluids

Biology & Microbiology

The limbic system in the central nervous system sustains many vegetative functions in mammals and is closely associated with structures that process cues about _____

A) olfaction B) vision C) audition D) mechanosensation

Biology & Microbiology