Which of the following statements concerning rheumatoid arthritis (RA) is TRUE?
A. It occurs in humans and animals.
B. The symptoms are due to damage caused by cytotoxic T cells.
C. There is no genetic influence on the likelihood of developing RA.
D. Accumulations of antibody complexes lead to inflammation in and destruction of joints.
E. The onset of disease is clearly correlated with having been infected with a specific microbe.
Answer: D
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What is the most abundant tissue type in the
human body?
a. connective b. muscular c. epithelial d. neural e. adipose
The "one gene-one enzyme" hypothesis states that
A) the synthesis of each gene is catalyzed by one specific enzyme. B) the synthesis of each enzyme is catalyzed by one specific gene. C) the function of an individual gene is to dictate the production of a specific polypeptide. D) the function of each polypeptide is to regulate the synthesis of each corresponding gene.
tumor suppressor gene
What will be an ideal response?