Exam 2: The Chemical Level of Organization

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.

A triple covalent bond is formed between atoms sharing _______ valence electrons.

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

Which of the following substances has a pH closest to 7.0?

Which of the following is a common function of RNA?

A chemical that can conduct electrical current when dissolved in water is called a(n)

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

This type of fatty acid contains more than one double bond in its hydrocarbon chain.

Which of the following describes the major function of ATP in cells?

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

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

This type of lipid is involved in blood clotting.

This is defined as the capacity to do work.

Describe what happens to a protein's structure and function when it is denatured.

Frying an egg causes the clear runny part of the egg to turn to white.This process is called

Which of the following can lower the amount of free radicals in the body?

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?

Which of the following describes the major significance of the element magnesium in the human body?

Which monomer is used to build RNA and DNA?

Which of the following is a proton donor?