Anatomy Chapter 2
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| show | acidic
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| What happens when two amino acids are bonded together? | show 🗑
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| A molecule composed of glycerol, two fatty acids, and a phosphate group is a ___. | show 🗑
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| Approximately 96% of the mass of the human body is composed of the elements | show 🗑
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| The most important and most abundant inorganic compound in the body is ___. | show 🗑
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| show | 10
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| Which of the following is common to all organic molecules? | show 🗑
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| Which of the following is a component of all proteins and nucleic acids? | show 🗑
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| If its outer electron shell is filled, the atom is ___. | show 🗑
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| show | an electron
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| show | ionic
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| show | electrolytes
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| The formula H2O represents a molecule consisting of | show 🗑
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| The energy of motion is ___. | show 🗑
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| show | an element
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| Which element is a component of all protein molecules, DNA, and RNA? | show 🗑
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| Which of the following is the most abundant positively charged ion (cation) in the intracellular fluid, and is required for generating nerve and muscle impulses? | show 🗑
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| The non-ionic form of a potassium atom (K) has 20 neutrons in its nucleus and 19 electrons around the nucleus. Which of the following is the mass number of this atom? | show 🗑
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| show | the number of electrons in the outermost shell.
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| show | its outermost shell is completely filled with electrons.
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| Water is an excellent solvent (i.e., it can dissolve many substances), because | show 🗑
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| show | serves to stabilize the internal temperature of the body.
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| The primary component of lubricating fluids in the body (e.g., saliva and mucus) is ___. | show 🗑
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| Which of these substances would form an acid when dissolved in water? | show 🗑
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| show | KOH (K+ & OH-)
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| show | triglycerides
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| show | a polar phosphate group.
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| The building blocks of proteins are ___. | show 🗑
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| All steroids contain | show 🗑
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| show | structure of the side chain (R group).
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| Which is a component of DNA, but NOT of RNA? | show 🗑
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| show | active site.
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| show | -ase
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| show | deoxyribose and ribose.
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| The chemical called the “energy currency” of living systems is ___. | show 🗑
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| Some enzymes fit substrates just as a key fits in a lock. This describes which of the important characteristics of enzymes? | show 🗑
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| show | FALSE
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| (T/F) The presence of hydrogen bonds tends to strengthen large molecules such as DNA. | show 🗑
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| (T/F) Normally the pH of the blood remains almost constant. | show 🗑
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| show | TRUE
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| (T/F) Enzymes are highly specific to a particular chemical reaction involving a specific substrate or substrates. | show 🗑
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| (T/F) Sucrose (table sugar) is a disaccharide. | show 🗑
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| show | protons and neutrons.
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| show | Ionic bonds
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| show | compound.
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| Matter that cannot be broken down into simpler substances by ordinary chemical reactions is known as | show 🗑
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| show | gaining one electron.
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| (T/F) A substance that separates in water to form some cation other than H+ and some anion other than OH- is known as a salt. | show 🗑
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| show | FALSE
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| (T/F) A solution with a pH of 5 is 100 times more acidic than distilled water, which has a pH of 7. | show 🗑
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| (T/F) Buffers help to make the body’s pH more stable. | show 🗑
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| (T/F) Salts are formed by the interaction between acids and bases. | show 🗑
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| (T/F) Is the following organic compound paired with their correct subunit (building blocks)? GLYCOGEN/GLUCOSE | show 🗑
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| (T/F) Is the following organic compound paired with their correct subunit (building blocks)? PROTEINS/MONOSACCHARIDES | show 🗑
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| show | TRUE
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| (T/F) Is the following organic compound paired with their correct subunit (building blocks)? LIPIDS/GLYCEROL & FATTY ACIDS | show 🗑
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| (T/F) Is the following organic compound paired with their correct subunit (building blocks)? ATP/ADP & P | show 🗑
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| show | dehydration synthesis reaction.
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| Which of the following contains the genetic code in human cells? | show 🗑
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| show | ATP
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| (T/F) Water is involved in many chemical reactions in the body. | show 🗑
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| (T/F) Water is an important solvent in the human body. | show 🗑
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| (T/F) Water helps lubricate a variety of structures in the body. | show 🗑
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| (T/F) Water can absorb a large amount of heat without drastically changing its temperature. | show 🗑
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| show | FALSE
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| The difference in H+ concentration between solutions with a pH of 3 and a pH of 5 is that the solution with the pH of 3 has ___ H+. | show 🗑
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| show | TRUE
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| show | TRUE
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| (T/F) All proteins are enzymes. | show 🗑
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| (T/F) Enzymes are considered organic catalysts. | show 🗑
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| show | TRUE
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| show | TRUE
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| (T/F) DNA forms a double helix | show 🗑
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| show | TRUE
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| show | FALSE
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| show | TRUE
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| show | saturated fat
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| show | denature.
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| show | triglycerides
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| show | C-H-O-N
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| Is water inorganic (I) or organic (O)? | show 🗑
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| show | organic
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| show | inorganic
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| Is disaccharide inorganic (I) or organic (O)? | show 🗑
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| show | organic
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| show | inorganic
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| show | organic
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Or sort by any of the columns using the down arrow next to any column heading.
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Created by:
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