Both chloroplasts and mitochondria are like in that they both have? ?

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes

How does the closing of the ductus arteriosus and ductus venosus alter circulation in an infant? a. increases blood flow to the pulmonary artery and increases blood flow to the umbilical vein b. increases blood flow to the pulmonary artery and reduces blood flow to the umbilical vein c. reduces blood flow to the pulmonary vein and increases blood flow to the umbilical artery d. reduces blood flow to the pulmonary vein and reduces blood flow to the umbilical artery

Which individual would be the safest from a lightening strike? a. a person standing 8 miles away b. a person on a bike 8 miles away c. a person in a tent 8 miles away d. a person in a house 8 miles away select the best answer from the choices provided a b c d