The organelle involved in the oxygen-requiring process by which the energy harvested from macromolecules is used to generate ATP is the:
A. chloroplasts.
B. ER.
C. nucleus.
D. lysosome.
E. mitochondria.
E
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Which one of the following statements is TRUE regarding the mitotic phase of the cell cycle?
A) The mitotic phase is longer than interphase. B) During cytokinesis, the cytoplasm divides and four daughter cells result. C) During mitosis, DNA is divided into two sets and distributed equally to the daughter cells. D) DNA of the cell is replicated during this phase. E) Most of the growth of the cell occurs during this phase.
An organism is classified in the kingdom Plantae. Which of the following must be true about the organism?
a) it reproduces asexually b) it is prokaryotic c) it has cells walls made of chitin d) it is autotrophic
How do fatigued human muscle cells repay an "oxygen debt"?
A) The cells decrease CO2 production. B) The cells increase production of ATP. C) The cells convert lactate back to pyruvate. D) The cells convert glucose to pyruvate. E) The cells produce more oxygen.
Respond to the following statements with reference to the five trophic categories listed below.
A. B. A herbivore is this. C. A bear eating blueberries is functioning as this. D. A Venus flytrap devouring an insect to obtain nitrogen functions as this. E. A bear feeding on an adult salmon (which eats other fish, squid, and shrimp) is functioning as this. F. Most fungi function as this.