Test Bank for Essentials of Human Anatomy and Physiology with Essentials of Interactive Physiology C

SHORT ANSWER. Write the word or phrase that best completes each statement or answers the question. Figure 2.1 Using Figure 2.1, identify the following: 1) Which letter represents a carbohydrate polymer? 1) _____________ 2) Letter D represents the structure of ________. 2) _____________ 3) Letter E represents a nucleic acid building block known as a ________. 3) _____________ 4) Which letter represents a globular protein in its quaternary structure? 4) _____________ Fill in the blank or provide a short answer: 5) Anything that has mass and takes up space is considered to be __________. 5) _____________ 6) Nerve impulses involve the flow of an electrical current, a type of energy known as __________ energy. 6) _____________ 7) Isotopes differ from other atoms of the same element only in the number of __________ they possess. 7) _____________ 8) Electrically neutral atoms have equal numbers of __________ and __________. 8) _____________ 9) The sum of the protons and neutrons in an atom is called the __________. 9) _____________ 10) Compounds that contain carbon-hydrogen bonding are collectively termed __________ compounds. 10) _____________ 11) Polar molecules, like water, result when electrons are shared __________. 11) _____________ 12) The four most common elements that compose over 96% of the mass of the human body are __________ , __________, __________, and __________. 12) _____________ 13) An acid is a molecule that releases (donates) __________. State the answer in two ways. 13) _____________ 14) All __________ have an amine (N ) group. 14) _____________ 15) Glycogen and starch are examples of a specific category of carbohydrates called __________. 15) _____________ 16) A solution with a pH of 11.7 is __________ times more basic (alkaline) than a solution with a pH of 8.7. 16) _____________ 17) Unsaturated fats contain one or more __________ bonds between carbon atoms. 17) _____________ 18) Enzymes are examples of __________ proteins. State the answer in two ways. 18) _____________