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Veseljchak [2.6K]
3 years ago
7

The small units that make up the macromolecule DNA are called

Biology
1 answer:
Leokris [45]3 years ago
7 0
Nucleotides. They are the building blocks of DNA.
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Placebo, Is used to describe a substance given in clinical trial that does not contain the drug.

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  • A placebo contains all the components as the medicine except for the drug that is being tested.
  • A placebo is given to one group of patients having the symptoms for which the drug is tested while another group of patients with same symptoms are given the drug.
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If a vaccine protects you for most of your life against a particular pathogen, why do you need a new flu shot every year? A. Inf
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If you got a flu shot this year, next year you'll need it again.

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