Plant cells contain both chloroplast and mitochondria. Which statement best explains why?
a
b
If their mitochondria cannot make enough ATP, then they use their chloroplasts to help out
Only their leaf cells have chloroplast, and only their root cells have mitochondria
They use chloroplast during the day and mitochondria at night
They use chloroplast to produce glucose, and mitochondria to convert the glucose to ATP
C
d