Autoimmune diseases result from a breakdown in the ability of the body to
a. produce antibodies.
b. produce memory cells.
c. destroy major histocompatibility proteins.
d. distinguish self from non-self.
e. distinguish between harmless and pathogenic microorganisms.
D
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What is the complement DNA strand to 5?-ATTCGGTGA-3??
A. 5?-TAAGCCACT-3? B. 3?-CGGATTGTC-5? C. 5?-CGGATTGTC-3? D. 3?-TAAGCCACT-5? E. 3?-ATTCGGTGA-5?
The system of communication between cells through signaling pathways is called homeostasis
a. True b. False
Friedrich Miescher is credited with
a. proposing DNA as the hereditary material. b. determining that proteins are the physical basis of inheritance. c. defining the laws of inheritance. d. discovering DNA. e. determining that proteins are composed of unlimited combinations of twenty amino acids.
How many genes are generally found for every million bases of prokaryotic DNA?
A. 10 B. 1,000 C. 100 D. 10,000 E. 100,000