1.) what does the principle of uniformitarianism state and why is it important in determining geologic history?

2.) what does the law of superposition state and why is it important in determining geologic history?

asap: 20 points
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You have just sequenced a new protein found in mice and observe that sulfur-containing cysteine residues occur at regular intervals. what is the significance of this finding? it will be important to include cysteine in the diet of the mice. cysteine residues are required for the formation of α helices and β pleated sheets. cysteine residues are involved in disulfide bridges that form tertiary structure. cysteine causes bends, or angles, to occur in the tertiary structure of proteins.

Select the correct answer from each drop-down menu. which phase of mitotic division is the highlighted cell undergoing? the cell is undergoing , which is the stage before .

Achemical that is released by an animal as a signal to other members of the same species is called a pheromone. t or f