Human Biology Custom Edition
11th Edition
ISBN: 9781337631532
Author: Cecie Starr, Beverly McMillan
Publisher: Cengage Learning
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Chapter 2, Problem 2CT
Draw a shell model of an uncharged nitrogen atom. Hint: Nitrogen has seven protons.
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Chapter 2 Solutions
Human Biology Custom Edition
Ch. 2 - Distinguish between an element, an atom, and a...Ch. 2 - Explain the difference between an ionic bond and a...Ch. 2 - Ionic and covalent bonds join atoms into...Ch. 2 - Name three vital properties of water in living...Ch. 2 - Which small organic molecules make up...Ch. 2 - Which of the following is the carbohydrate, the...Ch. 2 - Describe the four levels of protein structure. How...Ch. 2 - Distinguish among the following: a....Ch. 2 - The backbone of organic compounds forms when...Ch. 2 - A carbon atom can form up ________ to bonds with...
Ch. 2 - All of the following except ________ are building...Ch. 2 - Prob. 4SQCh. 2 - Prob. 5SQCh. 2 - Prob. 6SQCh. 2 - Which phrase best describes what a functional...Ch. 2 - In ________ reactions, small molecules are linked...Ch. 2 - Match each type of molecule with its description....Ch. 2 - What kinds of bonds often control the shape (or...Ch. 2 - The pH of black coffee is 5, and that of milk of...Ch. 2 - Draw a shell model of an uncharged nitrogen atom....Ch. 2 - Prob. 3CTCh. 2 - Manufacturers make carbonated drinks by forcing...
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- . In a laboratory experiment, a researcher reports the use of an isotope 6C14 to trace the synthesis of a Fatty Acid. From the symbol that is given, we know this is an isotope of Carbon, 6C12. The 6C14 can be substituted for 6C12 in chemical reactions in a cell because it has: a) radioactive properties b) 14 protons, c) ionic properties, d) 8 neutrons, e) 6 electrons.arrow_forwardCurved arrows are used to illustrate the flow of electrons. Using the provided starting structure, draw the curved electron-pushing arrows for the following reaction or mechanistic step(s). Be sure to account for all bond-breaking and bond-making steps. Then draw any missing organic intermediates or products for this epoxidation reaction. Include all lone pairs in the structures. Ignore inorganic byproducts, counterions, and solvents. 0. ~ H :OH: H Q H --0 Q mCPBA dilute HCI Select to Draw Intermediate 0:0 NaOH :OH: H Select to Add Arrows H I I I I I I I I I Iarrow_forwardA. The first shell corresponds to the first energy level, and it can hold up to 2 electrons. Hydrogen has one proton, so it has 1 electron and one vacancy. A helium atom has 2 protons, 2 electrons, and no vacancies. B. The second shell corresponds to the second energy level, and it can hold up to 8 electrons. Carbon has 6 electrons, so its first shell is full. Its second shell has 4 electrons and four vacancies. Oxygen has 8 electrons and two vacancies. Neon has 10 electrons and no vacancies. C. The third shell corresponds to the third energy level, and it can hold up to 8 electrons. A sodium atom has 11 electrons, so its first two shells are full; the third shell has one electron. Thus, sodium has seven vacancies. Chlorine has 17 electrons and one vacancy. Argon has 18 electrons and no vacancies. Figure It Out: Which of these models have unpaired electrons in their outer shell?arrow_forward
- In a laboratory experiment, a researcher reports the use of an isotope 6C14 to trace the synthesis of a Fatty Acid. From the symbol that is given, we know this is an isotope of Carbon, 6C12. The 6C14 can be substituted for 6C12 in chemical reactions in a cell because it has: (It's not Radioactive Properties) a) radioactive properties, b) 14 protons, c) ionic properties, d) 8 neutrons e) 6 electrons.arrow_forwardTake a look at this molecule. a) What type of molecule is this? b) How do you know? c) Describe the variety of larger molecules made from this molecule.arrow_forwardWhat makes carbon's electron structure so adaptable in the creation of many biomolecules?arrow_forward
- Draw a simple diagram that illustrates the chemical moieties found in nucleosides and nucleotidesarrow_forwardConsider the following molecules. (a) Name the molecule and its function for letters: A, C, and E. (b) Name the group and where it is made in the cell for letters: B, C, and D. но H O H O H-N-C-C-N-C-C-N-C-C-OH H CH2 H OH H SH HHHHHHHHHHHHHH H H-C-0 பெ HHHH HHH H HHHHH HHH HHHH -C-C-C-C-C-C-C-C (-C-C-C-C-H H-C-0 OH H 130 HHHHHH HHHH HH HH H C-C-C-C-C-C-(-C-C-C-(-C-C-C-"-H H-C-0 D H. C E.arrow_forwardAn enzyme accelerates chemical reactions by all of the following, EXCEPT: a) Bringing reactants close together b) Shifting equilibrium to favor the products c) Adding temporary charges to substrates d) Orienting chemical bonds for best reactivity e) Straining chemical bonds that will be brokenarrow_forward
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