The upper layer of desert soil is rich in minerals because? a. strong winds form many minerals b. there is little leaching c. desert plants do not need minerals d. few animals live there

Connection compare and contrast genetic engineering to the process of natural selection. select all statements that are true.

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.

During the process of blank and molecules such as a glucose must use a protein channel to cross through a cell membrane