Pain And Suffering

Question 1

Which of the following bonds in DNA is analogous (similar) to a protein’s backbone peptide bond?

-H bond
-Glycosidic linkage
-Disulfide bond
-Phosphodiester linkage

Answer 1

Phosphodiester linkage

Question 2

Which of the following is the strongest evidence that protein structure and function are correlated?

-Proteins function best at certain temperatures.
-Proteins have four distinct levels of structure and many functions.
-Enzymes tend to be globular in shape.
-Denatured (unfolded) proteins do not function normally

Answer 2

Denatured (unfolded) proteins do not function normally

Question 3

An iceberg floats on the ocean water. What property maintains the iceberg floating on the ocean water?

-Hydrogen bonds form between the water molecules
-The highly ordered ice crystal packing is less dense than the ocean water
-The highly ordered ice crystal packing is more dense than the ocean water
-ts partial positive and partial negative charges on each molecule

Answer 3

The highly ordered ice crystal packing is less dense than the ocean water