How did the discovery of the rhesus factor affect society?
a. more patients died from having a transfusion with the wrong rhesus factor.
b. new treatments during pregnancy could prevent harm to the developing child.
c. less donated blood could be used in the treatment of patients.
d. the number of blood types was reduced by half.

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

What is the period of cell life when it is conducting

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these