Unlike most eukaryotes, prokaryotes make polycistronic mrnas. these polycistronic mrnas encode more than one protein. in order to properly synthesize all of the encoded proteins, these prokaryotic polycistronic mrnas must duplicate which mrna components?
choose one or more:

a. 5' cap
b. shine-dalgarno sequence
c. stop codon
d. poly(a) tail

Fossils found in strata reveal that a) innate drive to complexity of life b) unused body parts decrease in size c) older strata carry fossils that differ greatly from living organisms d) geologic changes occur quickly on earth

If vegetable oil is made out of veggies, then what is baby oil made out of?

(drag each tile to the correct identify which questions can be answered by what can be answered by science or which cannot. -is it right or wrong to use genetic engineering to produce new food products? -what are the most common social settings that tend to produce accomplished artists? -if a new gene is added to the genome of a tomato species, will that species be more resistant to insects? -should humans use biotechnology to bring extinct organisms from the fossil record back to life? -do the types of organisms found in the fossil record appear in consistent sequences in different parts of the world? -are michelangelo's paintings more impressive than rembrandt's?