When shortages of donated blood occur, o-negative blood may be given to patients, even if they have a different blood type. why is this the case? if o-negative blood supplies were depleted, what would be the next-best choice for a patient with a different blood type in critical need of a transfusion? explain your answers.

How do you transfer mrna into codons ? i'm so confused : (

(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?

Blood has traveled from the heart to the toes. which describes the next step of the circulation process?