Fill in the blanks. Proteins are responsible for the and of much of our bodies (and other organisms). The instructions for making protein are encoded in . These genes provide the squence of building blocks known as . This string of amino acids then folds into different shapes. The structure of proteins determines what a can do. Proteins contain carbon, hydrogen, oxygen, and nitrogen.

Proteins are responsible for the mass and fat of much of our bodies (and other organisms). The instructions for making protein are encoded in DNA. These genes provide the sequence of building blocks known as nucleotides. This string of amino acids then folds into different shapes. The structure of proteins determines what a molecule can do. Proteins contain carbon, hydrogen, oxygen, and nitrogen.

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Kindly pardon me: I ain't so sure of the first two answers.

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs