1) what is the main difference between prokaryotic cells and eukaryotic cells? a) eukaryotic cells are smaller than prokaryotic cells. b) only eukaryotic cells have its genetic material surrounded by a membrane. c) prokaryotic cells have many organelles, each with their own specialization function. d) eukaryotic cells have a cell membrane and a cell wall; prokaryotes have a membrane only.

(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?

Many farmers prefer cattle without horns because it is safer for their herds. the allele for no horns (n) is dominant to the allele for the presence of horns (n). a farmer mates a male with horns to a heterozygous female without horns. what is the chance that the offspring will have horns?

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities