Which of the following is not a characteristic of enzymes?
A. They speed up the rate of chemical reactions but are not used up in the process.
B. They are most active at temperatures above 53 degrees C.
C. Most are proteins.
D. They have active sites and interact with specific substrates.
Answer: B
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Cyanide stops the production of ATP. Which of the following processes would be affected?
A. Facilitated diffusion B. Filtration C. Active transport D. Osmosis E. Simple diffusion
Which hormone promotes the reabsorption of water from the kidneys back into the ECF by osmosis?
A) atrial natriuretic peptide (ANP) B) antidiuretic hormone (ADH) C) angiotensin-II D) aldosterone
The parasympathetic system will stimulate the digestive system activity and function
Indicate whether the statement is true or false.
The visceral pericardium is the same as the
A) mediastinum. B) parietal pericardium. C) epicardium. D) myocardium. E) endocardium.