All the following biochemical tests involve the growth of an organism in a specific liquid broth medium EXCEPT A Nitrate reduction test
B SIM test
Phenol red carbohydrate fermentation test
Methyl red test

Which of the following is a macronutrient? carbohydrates lipids amino acids all of the above

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.

The cell membrane controls what enters and leaves the cell. which of the structures in the diagram below is the cell membrane? — f оооо