Which of the following structures helps retain fluids in the body? a. Bone
B. Muscle
C. Skin
D. Joint
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Ascientist and her team counted 200 individual deer in an area of 10 square kilometers. what is the population density?

Why does it matter if osmosis is put into a “scab” or a “nosebleed? ” where would that leave him?

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.