Exam 2: Molecular Interactions

Match each class of biomolecules to the correct statement about it. -ATP and DNA are examples; they transfer energy and encode genetic information.

Match the descriptions to the correct protein category. -keratin

When two or more atoms are chemically linked,the smallest unit of the resulting material is referred to as a(n)________.

________ is any molecule that binds to another molecule.

A molecule of sucrose has a molecular weight of 342 daltons.How many grams of sucrose would be required to make one liter of a 2.5 Molar solution of sucrose?

Match the symbol with the correct element: -sodium

Compare/contrast the chemical bonds between adjacent monomers in DNA,and between two strands of DNA.

The chemical bonding behavior of an atom is directly determined by

Using NaCl to illustrate,explain atomic mass and molecular mass,and an estimated and true mass of one molecule.Your explanation should include the appropriate measurement unit for each,and why the estimated and true masses are not exactly identical.