The feature of Darwin's finches that shows

variation is
a. feet.
b. beaks.
c. feathers.
d. structure of eggs.
e. all of these.


B

Biology & Microbiology

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If the codon consisted of only 2 nucleotides, _____ codons would be possible

a. 4 b. 8 c. 16 d. 32 e. 64

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________ is a method used to determine the chemical structure and measure the relative abundance of individual molecules in a sample based on their mass to charge ratio

Fill in the blank with correct word.

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________ the direct source of energy for cells

A) Fats are B) Glucose is C) ATP is D) Amino acids are

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When bacterial viruses are grown are cultivated with a lawn culture of bacteria in a Petri dish, they form zones of clearing called:

a. phage b. plaques c. pocks d. lesions

Biology & Microbiology