Chapter-2

Chapter-2 - Exam Name_ SHORT ANSWER. Write the word or...

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Exam Name___________________________________ SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Figure 2.1 Using Figure 2.1, match the following: 1) Lipid. 1) 2) Functional protein. 2) 3) Nucleotide. 3) 4) Polysaccharide. 4) 5) Monosaccharide. 5) 6) Polymer. 6) 7) Tertiary (protein) structure. 7) 1
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Figure 2.2 Using Figure 2.2, match the following: 8) Deoxyribose sugar. 8) 9) Thymine. 9) 10) Guanine. 10) 11) Phosphate. 11) 12) Hydrogen bonds. 12) 2
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MATCHING. Choose the item in column 2 that best matches each item in column 1. Match the following chemical bonds to the correct description: 13) A bond in which electrons are shared unequally. 14) A bond in which electrons are completely lost or gained by the atoms involved. 15) A bond in which electrons are shared equally. 16) A type of bond important in tying different parts of the same molecule together into a three - dimensional structure. A) Polar covalent bond B) Hydrogen bond C) Ionic bond D) Nonpolar covalent bond 13) 14) 15) 16) Match the following particles to the correct description: 17) Electrically charged particle due to loss of an electron. 18) Neutral subatomic particle. 19) Smallest particle of an element that retains its properties. 20) Smallest particle of a compound that still retains its properties. A) Molecule B) Neutron C) Atom D) Cation 17) 18) 19) 20) Match the following: 21) Water. 22) Carbon. 23) Dry ice (frozen carbon dioxide). 24) Blood. A) Compound B) Mixture C) Element 21) 22) 23) 24) Match the following: 25) Can be measured only by its effects on matter. A) Energy 25) 3
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26) Anything that occupies space and has mass. 27) Although a man who weighs 175 pounds on Earth would be lighter on the moon and heavier on Jupiter, his ________ would not be different. 28) Is a function of, and varies with, gravity. A) Mass B) Weight C) Matter 26) 27) 28) Match the following: 29) Legs moving the pedals of a bicycle. 30) When the bonds of ATP are broken, energy is released to do cellular work. 31) Energy that travels in waves. Part of the electromagnetic spectrum. 32) Represented by the flow of charged particles along a conductor, or the flow of ions across a membrane. A) Radiant energy B) Mechanical energy C) Electrical energy D) Chemical energy 29) 30) 31) 32) Match the following: 33) Heterogeneous, will not settle. 34) Heterogeneous, will settle. 35) Homogeneous, will not settle. 36) Will not scatter light. A) Colloids B) Solutions C) Suspensions 33) 34) 35) 36) TRUE/FALSE. Write 'T' if the statement is true and 'F' if the statement is false. 37) The atomic weight is only an average of relative weights of an atom and its isotopes, and it may vary from the weight of a specific isotope. 37)
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Chapter-2 - Exam Name_ SHORT ANSWER. Write the word or...

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