Which describes an example of genetic engineering? plzz ! a. by replacing a defective gene, symptoms of a disease disappear. b. vitamin a is added to rice to combat blindness. c. two roses are crossbred to create a rose with a certain shade of pink. d. over time, the species developed webbed feet.

What type of lipids are found in all biological membranes?

(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?

Lucia is walking barefoot in her yard. she accidentally steps on a nail. how will her nervous system work to generate a reaction? arrange the eventschronologically.