Which of the following are present in plant cells, but not animal cells?
a. cell walls, central vacuole, plastids
b. cell walls, central vacuole, mitochondria
c. central vacuole, lysosomes, mitochondria
d. plastids, cell walls, Golgi complex
A
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Which of the following statements is false?
A. Oxygen debt is the difference between an animal's immediate need for oxygen at the start of activity versus energy supplied by anaerobic metabolism. B. Recovery metabolism involves increased heart rates and respiration rates. C. An animal's oxygen consumption remains elevated for a brief period after activity ends. D. Recovery metabolism allows a cell to replenish depleted ATP stores and metabolize lactic acid. E. None of these statements is false.
One difference between eukaryotic and prokaryotic cells is that eukaryotic cells ________ prokaryotic cells
A) have DNA, which is lacking in B) have membrane-enclosed structures called organelles, which are lacking in C) have a plasma membrane, which is lacking in D) have a nucleoid region, which is lacking in
In a(n) ______ solution, the cell has a higher water concentration than the surroundings and will lose water.
a) hypertonic b) equilibrium c) isotonic d) hypotonic
Cyanide is a poison which prevents the last carrier in the electron transport chain (cytochrome C oxidase) from transferring the electron to the final electron acceptor. Which of the following would not be a consequence of exposure to this poison?
A) ADP would no longer be recharged to form ATP. B) Glycolysis, the intermediate reaction, and the Krebs cycle would stop as the cell would run out of the necessary oxidized coenzymes NAD+ and FAD. C) Movement of electrons through the chain would stop. D) Carbon dioxide would continue to be generated. E) Protons would no longer be pumped outside the membrane.