Choices:
<span>discovery of codons
discovery and extraction of DNA
creation of a model of DNA
creation of Photo 51
Marshall Nirenberg and Heinrich Matthaei's contribution to our current understanding of the genetic code is the DISCOVERY OF CODONS.</span>
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The fundamental units of matter are called atoms. All matter, including liquids, solids and gases, are made up of these tiny building blocks.
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D. Asteroids vary greatly in size and are mostly made up stone, iron and nickel
Answer: C consists of a sympathetic and parasympathetic nervous system
With the Autonomic Nervous System (ANS) the bodily actions are done without thinking or being controlled, which occurs with the internal organs such as the heart beating, digestion, sexual arousal, and other functions that can't be controlled.
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False, the angle is consistently the same, yet the placement of the Earth at this angle directed at the sun is what allows the Earth to have seasons (Spring, Summer, ...) So the answer is false.
