The first organisms were most probably

a. eukaryotic.
b. multicellular.
c. prokaryotic.
d. algae.
e. protozoans.


c

Biology & Microbiology

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Indicate whether the statement is true or false

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DNA barcoding is a method that can be used to identify any organism.

Answer the following statement true (T) or false (F)

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Which of the following characteristics of the structure of DNA was determined directly from X-ray diffraction photographs of crystallized DNA?

A. the double helical structure B. the length of a given DNA molecule C. the frequency of A versus T nucleotides D. the sequence of nucleotides

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A chiral compound cannot be superimposed on its mirror image. By this definition your hands would be considered chiral compounds.

a. true b. false

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