Which of the following normally occurs regardless of whether or not oxygen (O2 ) is present?
A) glycolysis
B) fermentation
C) citric acid cycle
D) oxidative phosphorylation (chemiosmosis)
A
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When tumor cell DNA is examined from people at different stages of the same cancer type, mutations that are common to all of them
A) act early in the disease. B) act late in the disease. C) acted on an initial cell and then reverted to wild type. D) entered the cells on the same type of virus.
In the disease, _____, motor neurons are destroyed and death by respiratory failure occurs
within three to five years of diagnosis.
Fill in the blank(s) with the appropriate word(s).What is the function of the brachial artery?
a. It receives blood from the brain. b. It receives blood from veins of the upper body. c. It services the cardiac muscle cells. d. It delivers blood to the upper limbs. e. It delivers blood to the head, neck, and brain.
Which of the following statements is an objective observation?
A. This package is larger than that one. B. I like this picture. C. This mattress feels hard to me. D. This milk tastes funny. E. I think I am going to be sick.