Asap! 20 points! in what form(s) do we find most of the water that is present on mars? a) in ice caps and as underground permafrost b) as flowing water on the surface of the planet c) is the atmosphere and flowing along canyons d) in great bodies of water such as lakes and rivers

Name the plastid and pigment likely to be found in the cells of (a) petals of sunflower (b) ripe tomato.

What material did the moon come from?

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.