Exam 2: The Chemical Level of Organization

What type of molecule is shown in the diagram? Where in a eukaryotic cell would this type of molecule be commonly found? What special chemical properties does this molecule possess that allows it to accomplish its functions?

Describe the functions of water in the body.

In a polar covalent bond,the atom that has the most electronegativity will have a

Why is the human digestive system unable to digest cellulose?

Which of the following is a monosaccharide that is used by cells to produce energy?

The energy stored in the bonds of the molecules in the foods that humans eat is 1)a form of kinetic energy. 2)a form of potential energy. 3)referred to as chemical energy.

Which type of chemical reaction breaks larger reactants into smaller products?

Which of the labeled structures are found in DNA but not RNA? 1 A 2 B 3 C 4 E

Which type of chemical bond involves the sharing of valence electrons between two atoms?

This type of lipid is used by the body for insulation.

Which type of chemical reaction combines reactants to produce larger products?

The number of protons in an atom is represented by an element's

List three factors that increase the rate of chemical reactions.

AB + CD → AD + BC is a general example of a(n)_____ reaction.

All of the following are characteristics of anabolism EXCEPT:

Describe what is happening at places 1,2 and 3 in the diagram.

The nucleus of unstable _____ of an element will decay leading to emission of radiation.

A chemical compound that helps control the pH of a solution by adding or removing hydrogen ions is a(n)

Describe the law of conservation of energy.

Describe the structural characteristics of an amino acid.