Which of the following is not an example of a predator-prey relationship?
a) coyotes feeding on rabbits
b) eagles feeding on fish
c) deer feeding on a farmer's garden
d) bats eating mosquitoes
Ans: c) deer feeding on a farmer's garden
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Indicate which of the following mechanisms are used by carnivorous plants to trap or attract prey: (check all that apply)
_____ Pitchers with slippery walls that collect water _____ Traps that are activated by touch _____ Sticky mucilage _____ Insertion of haustoria
Please read the following scenario to answer the following questions. Widow's peak, a pointed hairline on the forehead, is a genetic trait caused by a dominant allele. It can be traced back through a family's history using pedigree analysis.The pedigree shown here is of three generations of a family. Notice that some individuals (shown in gray) have a widow's peak (W = dominant allele and w = recessive allele). The genotype of Mary is Ww.
a. true
b. false
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
Which system involves plasma proteins
activated when an organism's pattern receptors become bound to anything? a. cytokine b. complement c. suppressor d. enhancer e. coagulation