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.
Correct Answer:
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Q1: What did Watson and Crick deduce about
Q2: A Barr body is an example of
A)constitutive
Q3: Who used radioactively labeled T2 bacteriophage to
Q4: The C-value is the amount of DNA
Q5: The definition of transformation is
A)the shift of
Q7: The chromosome of most prokaryotes differs from
Q8: Which part of the T2 bacteriophage entered
Q9: In Griffith's experiment involving the transformation of
Q10: Topoisomerases function to
A)remove nucleotides from DNA.
B)join DNA
Q11: Certain _ have RNA for their genetic
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