Which of the following serves as an "adapter" in protein synthesis and bridges the gap between mRNA
and proteins?
a. tRNA
b. cDNA
c. rRNA
d. promoter sequences
e. DNA
A
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In the food chain below, what does the garden spider represent?crabgrass-cricket-garden spider-blue jay-red-tailed hawk
A. herbivore B. primary producer C. secondary carnivore D. primary carnivore E. detritivore
A mutation in a single gene always has only one discrete effect on an individual's phenotype.
Answer the following statement true (T) or false (F)
List and briefly describe three differences between prokaryotic and eukaryotic cell division
What will be an ideal response?
Male long-tailed widowbirds have unusually long tails, about 20 inches in length, whereas the females have short tails. In an experiment with long-tailed widowbirds, one group of males had their tails clipped to 5 inches, a second group were left with
normal 20-inch tails, and a third group had their tails lengthened to 30 inches by gluing on feathers clipped from the tails of other birds. If sexual selection is responsible for the males having such long tails, predict what will happen when similar numbers of females are placed in the territories of each group of males. What will be an ideal response?