The reactions of glycolysis occur in the cell's ________; the reactions of the citric acid cycle occur in the ________.
A) mitochondria, cytoplasm
B) cytoplasm, mitochondria
C) mitochondria, mitochondria
D) cytoplasm, cytoplasm
B) cytoplasm, mitochondria
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Which muscle is not essential to taking a bite of food and chewing it?
A. Masseter B. Palatoglossus C. Temporalis D. Genioglossus E. Zygomaticus major
The leading strand of DNA is formed as
A. a template. B. a continuous strand, adding to the 3´ end. C. short segments called Okazaki fragments. D. a continuous strand, adding to the 5´ end. E. soon as the lagging strand is formed.
The condition called cyanosis is caused by an increased blood concentration of:
A) deoxyhemoglobin. B) oxyhemoglobin. C) carbon dioxide. D) carbon monoxide. E) oxygen.
Answer the following statements true (T) or false (F)
1. Carbonic anhydrase turns water and carbon dioxide into carbonic acid. 2. A buffer is a substance that prevents a sharp change in the pH of a solution when an acid or base is added. 3. Metabolic processes tend to produce more bases than acids. 4. A common buffer pair is sodium bicarbonate and carbonic acid. 5. If the sodium bicarbonate-carbonic acid buffer pair were to buffer a solution of HCl, more carbonic acid would be formed.