Proteins are involved with many different functions inside of the cell. A student argues that because of this, proteins need to have a wide variety of structures Which of the following statements about proteins BEST supports the student's argument?
O A Proteins can be made up of any combination of 20 different amino acids
OB. Proteins are made up of individual units that form polypeptide chains
OC Proteins are composed of both essential and nonessential amino acids
OD Proteins are synthesized from RNA sequences containing four bases

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

The pelican's beak is adapted for in .

Suppose a dominant allele codes for a big nose and a recessive allele codes for a small nose imagine that an organism receives a dominant allele from its mom and a dominant allele from its dad. what can be determined about its genotype and phenotype?