Multiple Choice
A biologist ground up some plant leaf cells and then centrifuged the mixture to fractionate the organelles. Organelles in one of the heavier fractions could produce ATP in the light, whereas organelles in the lighter fraction could produce ATP in the dark. The heavier and lighter fractions are most likely to contain, respectively,
A) mitochondria and chloroplasts.
B) chloroplasts and peroxisomes.
C) peroxisomes and chloroplasts.
D) chloroplasts and mitochondria.
E) mitochondria and peroxisomes.
Correct Answer:
Verified
Correct Answer:
Verified
Q29: The fact that the outer membrane of
Q30: Which structure is the site of the
Q31: Vinblastine, a drug that inhibits microtubule polymerization,
Q32: The liver is involved in detoxification of
Q33: A newspaper ad for a local toy
Q35: Which plant cell organelle contains its own
Q36: Which structure is not part of the
Q37: Signals between the ECM and the cytoskeleton
Q38: When a potassium ion (K+)moves from the
Q39: Which cell would be best for studying