D.) Experimental group: takes a large, daily dose of vitamin C;Control group: takes a daily dose of a sugar pill disguised as vitamin C. correct answers A researcher tests the hypothesis that large, daily doses of vitamin C help protect against catching the common cold. What would be the best exper...
BIO 181 Exam || All Questions Answered Correctly.
D.) Experimental group: takes a large, daily dose of vitamin C;Control group: takes a daily dose of a sugar pill disguised as vitamin C. correct answers A researcher tests the hypothesis that large, daily doses of vitamin C help protect against catching the common cold. What would be the best experimental and control group to test this hypothesis?
A.) Experimental group: takes a large dose of vitamin C daily; Control group: takes nothing.
B.) Experimental group: people with a cold are administered vitamin C daily; Control group: people without a cold are not administered vitamin C.
C.) Experimental group: takes a large dose of vitamin C daily; Control group: takes a large weekly dose of vitamin C.
D.) Experimental group: takes a large, daily dose of vitamin C; Control group: takes a daily dose of a sugar pill disguised as vitamin C.
number of protons and electrons correct answers Using the periodic table as your tool, identify the atomic characteristic that would most quickly and efficiently identify any single element.
A.) number of shells
B.) number of neutrons
C.) number of protons and electrons
D.) number of neutrons and electrons
336 * 9 = 3024 correct answers How many water molecules would be produced from the dehydration reactions associated with making a protein that has a primary structure consisting of 336 amino acids and that has a quaternary structure consisting of 9 identical subunits?
1.) Nitrogen & Phosphorus
2.) Carbon & Nitrogen
3.) Helium & Argon
4.) Hydrogen & Helium
5.) Sodium & Chlorine correct answers Match the following pairs of atoms with the statement that correctly describes both atoms in the pair.
1.) They have the same number of electrons in their outermost shells.
2.) They have two electron shells.
3.) Their outermost electron shell is full.
4.) They have one electron shell.
5.) They have three electron shells.
Covalent Bonds: Strong chemical bond due to the sharing of electrons; Bonds between hydrogen and oxygen atoms within a water molecule
Ionic Bonds: Electrons are transferred between two atoms creating positively and negatively charged atoms, which are then attracted to one another; Na + + Cl- -> NaCl Hydrogen Bonds: Bonds between charged molecules or portions of a molecule; Weak attraction between slightly charged parts of molecules, which are readily broken and reformed; Bonds between water molecules correct answers For each statement indicate which type of bond is being described.
Covalent Bonds
Ionic Bonds
Hydrogen Bonds
C.) hydrolysis correct answers When H2O is added to a compound in a chemical equation, a new
compound can be formed via what type of reaction?
A.) condensation
B.) saturation
C.) hydrolysis
D.) hydrophobic
Carbon forms up to 4 covalent bonds. correct answers A.) Carbon forms a maximum of 8 covalent bonds.
B.) Carbon can form a maximum of 6 covalent bonds.
C.) Carbon forms up to 4 covalent bonds.
D.) Carbon forms 2 covalent bonds.
E.) Carbon forms an ions and cations.
C.) −OH correct answers The functional group that characterizes an alcohol is
A.) −NH2
B.) −COOH
C.) −PO4
D.) −SH
C.) −OH
C.) is used to form polymers. correct answers A dehydration reaction
A.) results in the splitting of a water molecule.
B.) breaks down complex molecules to simple ones.
C.) is used to form polymers.
D.) forms glucose monomers from glycogen.
E.) form glycerol and fatty acids from triglycerides.
B.) glycosidic correct answers A disaccharide, such as maltose, consists of two molecules of glucose linked by what type of bond?
A.) phosphodiester
B.) glycosidic
C.) steroid
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