Ch 3 & Ch 4
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| show | False it is one of the three types of carbohydrates.
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| show | functional group
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| show | shape
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| The lipid that is often referred to as a tissue hormone is | show 🗑
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| show | all available bonds of its hydrocarbon chain are filled.
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| show | False
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| A very large molecule composed of subunits of sugar, a nitrogen base, and a phosphate bond is a | show 🗑
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| show | False
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| True/False RNA and DNA have the same pyrimidine bases but different purine bases. | show 🗑
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| ATP | show 🗑
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| DNA and RNA are important because | show 🗑
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| show | Glycogen
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| show | amino acids.
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| show | carbon, oxygen, hydrogen, and nitrogen
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| show | True
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| show | hydrophilic
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| show | glucose.
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| Any large molecule made up of many identical small molecules is called a(n) | show 🗑
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| show | organic molecules.
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| show | adenine; thymine
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| show | Creatine phosphate
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| Which of the following is not one of the major groups of organic substances in the human body? | show 🗑
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| show | peptide bonds.
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| show | Both have a ring structure in their molecule.
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| If one side of a DNA molecule is CTAGGCTG, the other side would be: | show 🗑
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| Which of the following is not true of both triglycerides and phospholipids? | show 🗑
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| show | Degree of saturation
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| show | amino acids.
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| The roles played by proteins can be divided into which categories? | show 🗑
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| show | NH3+.
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| When two molecules of glucose are joined, they form which disaccharide? | show 🗑
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| show | Prostaglandin
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| show | Secondary
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| show | nitrogen.
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| show | Steroids
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| Which of the following is not true of carbohydrates? | show 🗑
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| Which level of protein structure refers to the number, kind, and sequence of amino acids? | show 🗑
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| show | electrolytes.
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| show | dehydration synthesis.
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| show | steroids.
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| show | It contains ribose sugar.
It contains adenine.
It is composed of smaller molecules called nucleotides.
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| The basic building blocks of fats are: | show 🗑
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| The term glycoprotein, a combination of two words, tells you that the compound is made of _____, with _____ being the dominant component. | show 🗑
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| show | essential amino acids.
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| show | triglyceride.
steroid.
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| show | is a double-helix strand of nucleotides.
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| show | will kink or bend because of the double bonds between the carbon atoms.
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| show | glycogen
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| show | free radical
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| show | LDL.
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| show | Salts
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| show | 96%
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| What dissociates very little in solution. | show 🗑
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| As the concentration of hydroxide ions (OH–) increases, the: | show 🗑
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| show | synthesis
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| show | Proton, Electron, Neutron.
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| show | covalent.
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| Hydrogen bonds result from unequal charge distribution on a molecule. Such molecules are said to be | show 🗑
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| The reaction between hydrogen and oxygen needed to form water is an example of a: | show 🗑
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| show | down; acidic
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| The most abundant element essential to life is | show 🗑
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| For sodium to transform from a neutral atom to a positive ion, it must: | show 🗑
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| The element oxygen has an atomic number of 8, which means it contains: | show 🗑
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| A chemical bond formed by the sharing of one or more pairs of electrons between the outer shells of two atoms is called a(n) _____ bond. | show 🗑
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| What term is used to describe all of the chemical reactions that occur in body cells? | show 🗑
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| An element that contains the same number of protons but different numbers of neutrons is called a(n) | show 🗑
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| Hydrolysis _____ a water molecule. | show 🗑
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| show | hydrolysis
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| An atom can be described as chemically inert if its outermost electron shell contains _____ electrons. | show 🗑
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| show | element.
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| show | release hydrogen ions.
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| show | called cations if they have a positive charge.
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| show | Protons and electrons
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| show | number of protons in the nucleus.
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| Which type of chemical reaction results in the breakdown of a complex substance into two or more simpler substances? | show 🗑
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| The water molecule has two distinct ends, each with a partial electrical charge. Because of this structure, water is said to be | show 🗑
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| show | protons in its nucleus.
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| show | can form a hydrogen bond. has an unequal charge.
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| Acids, bases, and salts belong to a large group of compounds called | show 🗑
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| What decomposition reaction requires the addition of a water molecule to break a bond? | show 🗑
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| Ionic bonds are chemical bonds formed by the: | show 🗑
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| Atoms with fewer than eight electrons in the outer energy level will attempt to lose, gain, or share electrons with other atoms to achieve stability. This tendency is called the | show 🗑
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| A force holding two atoms together is a(n) | show 🗑
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| show | turn blue.
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| show | neutrons
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| A magnesium atom has an atomic number of 12, an atomic mass of 25, and a +2 charge. This atom would contain _____ protons, _____ neutrons, and _____ electrons. | show 🗑
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| show | Decomposition
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| The study of metabolism includes examination of: | show 🗑
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| show | 50%
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| Which of the following bonds are the weakest? | show 🗑
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| show | 2.
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| The hydrogen isotope tritium consists of: | show 🗑
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| As the concentration of hydrogen ions (H+) increases, the: | show 🗑
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| The most abundant and important compound(s) in the body is(are): | show 🗑
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| The study of metabolism includes examination of: | show 🗑
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| show | hydrolysis.
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| show | electrons.
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| A negatively charged subatomic particle that moves around the nucleus is a(n): | show 🗑
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| AB + CD → AD + CB is an example of a(n) _____ reaction. | show 🗑
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| Atomic mass is determined by the number of: | show 🗑
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| show | Ne.
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| Which of the following is not one of the major elements present in the human body? | show 🗑
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| An example of a catabolic process is: | show 🗑
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| The formation of sucrose involves the removal of a molecule of water. This is called: | show 🗑
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| show | stability of the atom when there are eight electrons in the outermost energy level.
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| Which of the following represents properties of water? | show 🗑
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| show | two.
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| The atomic number of carbon is 6. How many unpaired electrons are in its outer shell? | show 🗑
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| show | are proton donors.
taste sour.
release hydrogen ions in an aqueous solution.
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| show | Iron
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| Which of the following elements is least likely to combine with another element? | show 🗑
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| show | protons.
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| An ionic bond is formed by: | show 🗑
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| The type of reaction in which substances are combined to form more complex substances is called a(n) _____ reaction. | show 🗑
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| show | bases.
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| show | alkaline (basic)
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