Which three factors limit descriptive and comparative investigations? A. The features of objects that you cannot see
B. The way you must write hypotheses
C. The number of observations you can make
D. The number of variables you can have
E. The amount of time or money required

What would happen if the tubing with the yellow band was placed in a beaker of distilled water?

Genetic disorders can result when sister chromatids fail to seperate properly. during what phase is this problem most likely to occur?

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.