24. In a closed ecosystem, monitoring the amount of carbon in the various 1 point spheres would show which of the following changes as a result of
continued photosynthesis? *
Increase in biosphere, decrease in geosphere
Increase in atmosphere, decrease in geosphere
Increase in biosphere, decrease in atmosphere
Increase in geosphere, decrease in biosphere

What element is able to combine with itself and hydrogen to form large molecules ?

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.

Some substances but not other can cross the (blank) membrane of a cell