Problem:
Question 1: The endosymbiotic theory states that mitochondria originated from
a. Purple bacteria entering and remaining in the cytoplasm of another cell.
b. A routine step in evolution
c. The fusion of several prokaryotes
d. A long, intense period of lightning
e. The slow evolution of various organelles over millions of years, particularly during the time of the dinosaurs.
Question 2: A house plant seems to be growing slowly and lacks its normal bright green color. You call a botanist for advice. She suggests that the plant may be deficient in magnesium (Mg2+). Why are these symptoms associated with Mg2+ deficiency?
a. Lack of Mg2+ in the soil allows pathogenic bacteria to grow.
b. Mg2+ is important in the structure of many amino acids.
c. Cytochromes require Mg2+ to function properly.
d. Mg2+ is required before NADPH can function.
e. Mg2+ is an important component in chlorophyll.
Please Explain don't just write the answer.