Materials can diffuse into and out of the blood i the capillaries because the capillary

The cluster of developing cells from conception until birth is called an

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.

Up to what percentage of the world's flora consisted of cycads during the triassic period? 100% 75% 50% 20%