What did the X-ray diffraction patterns initially reveal about the DNA molecule?
A) It is of uniform diameter and has a helical structure.
B) It is a helical molecule with paired bases in the center.
C) It is double-stranded with antiparallel strands.
D) It is acidic, phosphorus-rich, and large.
E) It contains hereditary information.
A
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During anaerobic decomposition of organic matter with carbon dioxide as the terminal electron acceptor, the primary gas(es) produced is/are
A. oxygen. B. hydrogen sulfide. C. methane. D. hydrogen. E. methane AND hydrogen.
The alternative pathway of complement cascade activation begins with ________ binding to the surface of a microbe
A) C1 B) C3a C) complement factor B D) C5a E) C5b
If a normal protein typically found on the surface of nervous tissue cells comes into contact with an abnormally folded protein, it can lead to prion-related disease
Indicate whether the statement is true or false
Giants usually have poor health because they often have diabetes mellitus.
Answer the following statement true (T) or false (F)