The homologous structures and the analogous structures of different species.
Answer:
1. Insulin
2. Keratin
Explanation:
Proteins are one of the four biological molecules found in living systems. They are polymeric molecules made up of monomeric units called AMINO ACIDS. Proteins perform a wide variety of functions in the body ranging from enzymatic functions to structural roles.
Two examples of proteins found in the body are keratin, insulin. Keratin is a structural protein located in the skin, hair and nails while insulin is an enzymatic protein that aids in digestion.
Answer:
0.3097 moles of an nonionizing solute would need to be added.
Explanation:
Molal elevation constant = ![k_b=1.22^oC/m](https://tex.z-dn.net/?f=k_b%3D1.22%5EoC%2Fm)
Normal boiling point of ethanol = ![T_o=78.4^oC](https://tex.z-dn.net/?f=T_o%3D78.4%5EoC)
Boiling of solution =![T_b=86.30^oC](https://tex.z-dn.net/?f=T_b%3D86.30%5EoC)
Moles of nonionizing solute = n
Mass of ethanol (solvent) = 47.84 g
Elevation boiling point:
![\Delta T_b=T_b-T_o](https://tex.z-dn.net/?f=%5CDelta%20T_b%3DT_b-T_o)
![\Delta T_b=86.30^oC-78.4^oC=7.9^oC](https://tex.z-dn.net/?f=%5CDelta%20T_b%3D86.30%5EoC-78.4%5EoC%3D7.9%5EoC)
![\Delta T_b=K_b\times m](https://tex.z-dn.net/?f=%5CDelta%20T_b%3DK_b%5Ctimes%20%20m)
![m=\frac{\text{Moloes of solute}}{\text{Mass of solvent(kg)}}](https://tex.z-dn.net/?f=m%3D%5Cfrac%7B%5Ctext%7BMoloes%20of%20solute%7D%7D%7B%5Ctext%7BMass%20of%20solvent%28kg%29%7D%7D)
![7.9^oC=1.22^oC/m\times \frac{n}{0.04784 kg}](https://tex.z-dn.net/?f=7.9%5EoC%3D1.22%5EoC%2Fm%5Ctimes%20%5Cfrac%7Bn%7D%7B0.04784%20kg%7D)
n = 0.3097 mol
0.3097 moles of an nonionizing solute would need to be added.
<span>When a solid is dissolved, the state transitions to a liquid - a higher entropy substance than the previous solid. Therefore, the entropy of the system will increase, and, by convention, the sign of delta S will be positive.</span>
Answer: The answer is D.gram
Explanation: