Why does ice stay at the top of oceans instead of sinking to the bottom? ice is denser than liquid water because the molecules in ice are closer together. ice is less dense than liquid water because the molecules in ice are closer together. ice is denser than liquid water because the molecules in ice are farther apart. ice is less dense than liquid water because the molecules in ice are farther apart.

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air

The hematodinium parasite becomes less of a problem for the blue crab when the crab is very young. fishing is thriving in the region. the crab moves to less salty water. a significant percentage of the population is impacted.

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.