Which of the following statements best describes the difference between mitosomes and mitochondria?
A. Mitosomes contain hydrolytic enzymes that help the protozoan digest food particles.
B. Mitosomes are much larger than mitochondria.
C. Mitosomes have one membrane whereas mitochondria have a double membrane.
D. Mitosomes are not involved in ATP production.
Answer: D
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Each radial loop domain may contain between 10 and 100 base pairs of DNA
Indicate whether the statement is true or false
If someone wants to eat lots of carbohydrates in preparation for running a marathon, that person could
A. eat lots of sugars B. eat lots of polysaccharides C. all of these answers are correct D. eat lots of monosaccharides
Suppose that during the embryonic development of a hand, homeotic gene expression is altered such that the dorsal-ventral axis is switched. What is the most likely outcome of this scenario?
A) The palm and back of the hand will be switched. B) The pinky and thumb would be switched. C) The shoulder and hand would be switched. D) The foot and hand would be switched.
In the final stage of the oxidation of food molecules, a gradient of protons is formed across the inner mitochondrial membrane, which is normally impermeable to protons
If cells were exposed to an agent that causes the membrane to become freely permeable to protons, which of the following effects would you expect to observe? (a) The ratio of ATP to ADP in the cytoplasm would fall. (b) NADH would build up. (c) Carbon dioxide production would cease. (d) The consumption of oxygen would fall.