Cell Structure and Function

Which of the following supports the endosymbiotic theory about mitochondria?

• Absence of DNA
• Presence of cell walls
• Ability to photosynthesize
• Presence of 70S ribosomes

Which structure separates the outer and inner compartments of mitochondria?

• Outer membrane
• Cristae
• Matrix
• Inner membrane

Which pigment gives chromoplasts their yellow or orange color?

• Chlorophyll
• Phycobilins
• Melanin
• Carotenoids

In which organisms are plastids typically found?

• Only in animal cells
• In bacteria
• In fungi
• All plant cells and euglenoides

Which leucoplast stores oils and fats in seeds?

• Amyloplasts
• Chromoplasts
• Chloroplasts
• Elaioplasts