You are investigating the life history of a previously unknown species of spider, when you discover an unusual fact; it seems that these spiders carry their fertilized eggs on their abdomen until they mature, at which point their offspring hatch, and devour their parent. Which term best describes this species’ reproductive strategy?
a. many offspring
b. few offspring
c. semelparity
d. iteroparity
c. semelparity
Biology & Microbiology
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The Three-Domain System of classification is based on differences in which one of the following molecules?
A) mRNA B) peptidoglycan C) rRNA D) tRNA
Biology & Microbiology
The molecular mechanism that produces genomic imprinting by inactivating an allele involves ____ of
DNA in the allele that will not be expressed.
a. methylation b. mutation c. ligation d. deletion e. inversion
Biology & Microbiology
Which of the following is an example of a protein that can read the sequence of DNA without opening the double helix?
A) RNA polymerase B) DNA polymerase C) helicase D) transcription factor E) primase
Biology & Microbiology
__________ are multicelled heterotrophs with
unwalled cells. Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology