The four aspects that do up around 96% the body issue are _______. A. Carbon, hydrogen, oxygen, and nitrogen B. Hydrogen, oxygen, calcium, and also nitrogen C. Calcium, potassium, sodium, oxygen D. Hydrogen, helium, carbon, and also calcium E. Hydrogen, helium, nitrogen, and carbon
Which that the complying with statements regarding isotopes is TRUE? A. Isotopes have actually the same variety of protons and neutrons, yet vary in the variety of electrons castle contain. B. Isotopes of an facet have the very same atomic number, however have different atomic masses. C. The chemical properties of all of an element"s isotopes are exactly the same. D. The atomic load of any kind of element is around equal come the mass variety of its most abundant isotope. E. The second, third, and fourth answers space correct. F. All of the statements room true about isotopes.

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If neutral atoms come to be positive ions, they _______. A. Shed protons B. Get protons C. Obtain neutrons D. Acquire electrons E. Shed electrons
If the DNA molecule resembles a twisted ladder, which chemical units form the political parties of the ladder? A. Amino acids and phosphates B. Alternating deoxyribose sugar and also phosphate groups C. Alternating ribose sugar and phosphate teams D. Pairs of nitrogenous bases E. Polypeptide chains
Solution A has actually a pH the 4. Equipment B has a pH of 13. Recognize the exactly statement. A. Equipment A is much more basic than equipment B (Solution A has much more hydrogen ions). B. Equipment A is much more acidic than solution B (Solution B has more hydrogen ions). C. Solution A is much more basic than equipment B (Solution B has much more hydrogen ions). D. Systems A is much more acidic than equipment B (Solution A has more hydrogen ions).
Proteins are made up of many _______. A. Amino mountain molecules B. Monosaccharide molecule C. Triglyceride molecules D. Nucleotide molecules E. Fatty acid molecules
The cell nucleus of one atom is the place of which type of subatomic particles? A. Electrons and protons B. Neutrons and also protons C. Protons only D. Electrons and also neutrons E. Electrons and molecules
Which of the adhering to accurately explains enzymes? A. They space organic catalysts. B. They room consumed during chemical reactions. C. They react finest at incredibly high temperatures. D. They are lipoproteins. E. Castle are major energy sources for the cell.
All the the following are true about the prestige of water, an not natural compound, in the body other than _______. A. Water offer a protective function in the human body B. Come digest foodstuffs or malfunction biological molecules, water molecule are included to the bonds of the larger molecules C. Water is great solvent since it is nonpolar D. Water is an important reactant in some varieties of chemical reactions E. Water absorbs and also releases huge amounts that heat prior to its temperature transforms appreciably
Energy the is in movement is _______. A. Energy found in a rock poised in ~ the height of a hill B. Referred to as kinetic energyC. Potential energy the energy stored in the D. Bonds of chemical substances E. Uncovered in a muscle in ~ rest
Nucleotides, the structure blocks of main point acids, are made up of _______. A. A nitrogen-containing base, any simple sugar, and a phosphate team B. A calcium-containing base, a pentose sugar, and also a phosphate team C. A nitrogen-containing base and also a phosphate team only D. A nitrogen-containing base, a pentose sugar, and a phosphate team E. A nitrogen-containing base, a pentose sugar, and also a sulphate group
The atom number identifies the element and refers come the number of _______. A. Neutrons and protons in the cell core B. Atoms C. Proton D. Molecules E. Neutrons
The role of ATP is to _______. A. Password for mRNA B. Act as a hormone C. Permit cells to use energy directly from simple sugars D. Kind DNA E. Administer a kind of chemical power that is usable by every body cells
The only electrons that are crucial when considering bonding habits are those in the _______ shell. This covering is dubbed the _______ shell. A. Outermost; valence B. Innermost; valence C. Outermost; binding D. Middle; binding E. Next to last; valence
The term "_______" describes a distinct substance the cannot it is in decomposed or broken down into much easier substances. A. Aspect B. Atomic symbol C. Regular table D. Link E. Molecule
What bond are formed when electrons are mutual equally? A. Hydrogen bond B. Stole bonds C. Nonpolar covalent bond D. Ionic bond E. Polar covalent bonds
Glycogen → glucose is an instance of which sample of chemical reaction? A. Dehydration reaction B. Hydrolysis reaction C. Exchange reaction D. Synthetic reaction E. Decomposition reaction
Which the the following is not true about matter? A. Gases have actually neither a definite form nor a identify volume. B. Solids have actually a identify shape and also volume. C. Matter is anything that occupies space and has actually mass (weight). D. Matter exists in solid, liquid, and also gaseous states. E. Liquids have neither a definite shape nor a identify volume.
Which of the adhering to is no true around proteins? A. Amino acid chains include fewer than 50 amino mountain are dubbed polypeptides. B. Protein account for around 10 percent of the organic issue in the body. C. Globular proteins the play crucial roles in essentially all organic processes are likewise called practical proteins. D. The building blocks that proteins room amino acids. E. Fibrous proteins are additionally called structural proteins and also appear most regularly in human body structures.

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Which the the adhering to is not true that carbohydrates? A. An example of a polysaccharide found in plants is starch. B. Carbohydrates room the primary power molecules for most living things. C. A glucose molecule is a polysaccharide save by the liver. D. Glucose in an example of a carbohydrate. E. Disaccharides space a type of carbohydrate.
When girlfriend ride a bike, the body converts chemical energy to _______ power to relocate the limbs necessary to rotate the pedals
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Chemistry: The main Science14th EditionBruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore Brown
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