Carotid bodies and aortic bodies detect
A. the stretching of the lungs.
B. tissue oxygen levels.
C. blood oxygen levels.
D. blood pH.
E. the residual volume.
Answer: D
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Which of the following statements is
INCORRECT about eukaryotic chromosomes?
a. The number of chromosomes varies from one species to another. b. All eukaryotes have the same system of autosomes and sex chromosomes. c. A chromosome consists of DNA associated with histone proteins. d. After duplication, all paired chromosomes are attached at the centromere. e. After duplication, each chromosome consists of two sister chromatids.
Ethanol is an inhibitor of ADH. Therefore, a
person consuming a mixed drink excretes a. less water because ADH promotes reabsorption. b. the alcohol because ADH cannot degrade it. c. ketone bodies formed from the alcohol. d. more water because ADH normally promotes reabsorption. e. more water plus the alcohol due to the ADH inhibition.
All B cells produce the same type of antibodies
Indicate whether the statement is true or false
A virus that infects a bacterium is called a/an ____________.
Fill in the blank(s) with the appropriate word(s).