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CHEMICAL BASIS OF LIFE - Anaphys chap 2
Terms in this set (25)
A solution with a greater concentration of hydroxide ions than hydrogen ions is
When the hydrogen bonds that maintain a protein's three-dimensional shape are broken, the protein becomes nonfunctional, and is said to be ________.
Glycogen and starch are examples of ________.
Which of these statements concerning lipids is NOT true?
A fatty acid that contains only single covalent bonds between the carbon atoms is called unsaturated.
The smallest particle of an element that has the chemical characteristics of that element is a(n) ________.
Which of the following processes is (are) a synthesis reaction?
The creation of a protein from amino acids
A substance that increases the rate at which a reaction proceeds, without itself being changed or depleted, is a ________.
Which of these is NOT a property of water that makes it useful for living organisms?
Water allows body temperature to increase or decrease rapidly.
The growth of cells and repair of worn-out tissues is accomplished by ________
The reaction sucrose + water → glucose + fructose is an example of a(n) ________.
A chemist experiments on a molecule with the formula of C5H10O5. This compound is likely a(n) ________.
Which of the following solutions is the weakest acid?
a solution with a pH of 6.4
Blood pH falls in a narrow range between ________.
7.35 to 7.45
Which polysaccharide is formed of linked glucose molecules and stored in animal tissues?
The organic compounds that function in building tissues and acting as enzymes are the ________.
In order to break a disaccharide down into simple sugar units, ________.
water molecules must be added to each bond
The chemical compound that is represented by the acronym ATP
Both "is synthesized using energy released during the breakdown of food molecules" and "is a common temporary storage form of immediately usable energy within cells" are correct.
Which group of major organic molecules is a common fuel nutrient and includes glycogen as a storage molecule?
Substances that accepts hydrogen ions (protons) to a solution are called ________.
Chemicals that resist changes in pH when acids or bases are added to a solution are ________.
When one atom loses an electron and another atom accepts that electron a(n) ________ bond between the two atoms results.
Which of the following is considered a compound but not a molecule?
Sodium chloride (NaCl)
When there is an equal sharing of electrons between atoms, the bond that is formed is called
a nonpolar covalent bond.
If an iron atom (Fe) lost three electrons, what would be the charge of the resulting ion?
Every atom of the element carbon has the same number of
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