A solid, transparent block of a substance has been sitting on your kitchen counter all day. What type of property will tell you whether it is a block of ice? A physical or a chemical property?

Why is it important to reduce the number of chromosomes in half when forming gametes for sexual reproduction?

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.

Which part of the spine is likely to cause a nerve signal to travel faster? a. backbones b. white matter c. nuclei d. gray matter