Biology (MindTap Course List)
11th Edition
ISBN: 9781337392938
Author: Eldra Solomon, Charles Martin, Diana W. Martin, Linda R. Berg
Publisher: Cengage Learning
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Chapter 2, Problem 4TYU
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2.3 INSTRUCTIONS:
- Do not copy answers from Google or Bartleby. A plagiarism checker will be used.
- Answer all questions as because they are connected.
QUESTION:
Why are fats and waxes solid at room temperature, whereas oils are liquids? EXPLAIN.
With your answer to that question in mind, how do you think the phospholipids of coldwater fish compare to warm water fish? EXPLAIN.
Would you expect to see differences in the amounts of saturated and unsaturated fatty acids? EXPLAIN.
41 The model below represents a molecule of ammonia gas.
Model of a Molecule of Ammonia Gas
Key
Nitrogen
atom
Hydrogen
atom
Ammonia gas would be classified as
(1) a compound
(2) a mixture
(3) an element
(4) an atom
Chapter 2 Solutions
Biology (MindTap Course List)
Ch. 2.1 - Prob. 1LOCh. 2.1 - Compare the physical properties (mass and charge)...Ch. 2.1 - Prob. 3LOCh. 2.1 - Prob. 1CCh. 2.1 - What is a radioisotope? What are some ways...Ch. 2.1 - Prob. 3CCh. 2.2 - Prob. 4LOCh. 2.2 - Prob. 5LOCh. 2.2 - Prob. 6LOCh. 2.2 - What enables a radioisotope to substitute for an...
Ch. 2.2 - Which kind of chemical formula provides the most...Ch. 2.2 - Prob. 3CCh. 2.3 - Distinguish among covalent bonds, ionic bonds,...Ch. 2.3 - Prob. 1CCh. 2.3 - Prob. 2CCh. 2.3 - Prob. 3CCh. 2.3 - Prob. 4CCh. 2.4 - Prob. 8LOCh. 2.4 - In what form is energy transferred in a redox...Ch. 2.5 - Explain how hydrogen bonds between adjacent water...Ch. 2.5 - Prob. 1CCh. 2.5 - What are some properties of water that result from...Ch. 2.5 - How can weak forces, such as hydrogen bonds, have...Ch. 2.6 - Contrast acids and bases, and discuss their...Ch. 2.6 - Convert the hydrogen ion concentration (moles per...Ch. 2.6 - Describe the composition of a salt and explain the...Ch. 2.6 - Prob. 1CCh. 2.6 - Prob. 2CCh. 2.6 - Prob. 3CCh. 2.6 - Prob. 4CCh. 2 - Test Your Understanding Know and Comprehend 1....Ch. 2 - Prob. 2TYUCh. 2 - Prob. 3TYUCh. 2 - Test Your Understanding Know and Comprehend 4. 11H...Ch. 2 - Test Your Understanding Know and Comprehend 5. The...Ch. 2 - Test Your Understanding Know and Comprehend 6....Ch. 2 - Test Your Understanding Know and Comprehend 7. In...Ch. 2 - Test Your Understanding Know and Comprehend 8....Ch. 2 - Prob. 9TYUCh. 2 - Prob. 10TYUCh. 2 - Test Your Understanding Know and Comprehend 11....Ch. 2 - Prob. 12TYUCh. 2 - Prob. 13TYUCh. 2 - Test Your Understanding Apply and Analyze 14....Ch. 2 - Prob. 15TYUCh. 2 - Prob. 16TYUCh. 2 - Test Your Understanding Evaluate and Synthesize...
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- Visit this website (http://openstaxcollege.org/l/ptable) to view the periodic table. In the periodic table of the elements, elements in a single column have the same number of electrons that can participate in a chemical reaction. These electrons are known as valence electrons. For example, the elements in the first column all have a single valence electron—an electron that can be donated in a chemical reaction with another atom. What is the meaning of a mass number shown in parentheses?arrow_forwardHelp me, pleasearrow_forwardAsap! I will rate u helpfularrow_forward
- Please answer thisarrow_forwardER (in 1 sentence) 30. Observe this chemical reaction to answer the following questions (30a through 30i). CH₂OH HO CH₂OH OH OH OH + HO OH HO CH₂OH H₂O HO CH₂OH 30g (Explain your answer to 30f. ANSWER (in 1 or 2 sentences) OH OH 20 CH₂OH OH STEP 1: ANSWER (chemical reaction from slides) НО 30a. What is the name for this type of reaction? ANSWER 30b. Is AG positive or negative for this reaction? ANSWER (positive or negative?) A CH₂OH 30c. Is this reaction anabolic or catabolic? ANSWER (anabolic or catabolic?) 30d. What type of macromolecule is in this reaction. ANSWER 30e. Explain why an enzyme is required for this reaction to happen. ANSWER (in a sentence) 30f. Which reaction (Reaction #1 or Reaction #2 from question #29) is coupled with this reaction? ANSWER (Reaction #1 or Reaction #2 from Question #29) 30h. Explain how this reaction happens in two steps. (You can use "A" and "B" for the monomers. Yo do not have to draw the full structure.)arrow_forwardOxygen has 8 protons, 8 neutrons, and 8 electrons. What is its atomic mass?(a) 8 (b) 16 (c) 24 (d) 32.arrow_forward
- 16) An ion with six protons, seven neutrons, and a charge of 2+ has an atomic number of A) four B) five monom o nonesitomyloq orli gniub baenslon o1e tolsw lo 2olusolom yusm woll (S C) six D) seven Toluostom ozolufle 01 ( 17) Molybdenum has an atomic number of 42. Several common isotopes exist, with mass numbers from 92-100. Which of the following can be true? A) Molybdenum atoms can have between 50 and 58 neutrons. B) Molybdenum atoms can have between 50 and 58 protons. C) Molybdenum atoms can have between 50 and 58 electrons.a 12ed gniwollot odi to rloid Warrow_forwardComplete the table below, using the diagram of an atom shown at right. name symbol 0 proton e Properties of subatomic particles charge (in multiples of e) 0 0 0 approximate mass (amu) (choose one) ✓ (choose one) ✓ 1.0 location on diagram (choose one) ✓ (choose one) ✓ A X A Sarrow_forward??arrow_forward
- 1.1. An atom of element X has an atomic number of 14 and a mass number of 30. Which of the following statements is correct? (A) An atom of sodium has 14 protons, 14 electrons, and 14 neutrons.(B) An atom of sodium has 14 protons, 16 electrons, and 14 neutrons(C) An atom of sodium has 14 protons, 14 electrons, and 16 neutrons.(D) An atom of sodium has 14 protons, 16 electrons, and 16 neutrons.1.2. The ability of carbon to form four covalent bonds with a variety of atoms is(A) Isomerism(B) Tetravalence(C) Hydrolysis(D) Quadravalence1.3. Water resists changing its temperature because of its … (A) High heat of vaporization(B) Low specific heat(C) High specific heat(D) Low heat of vaporization1.4. A solution where [H+] < [OH−] is more:(A) Acidic(B) Basic(C) Neutral(D) None of the above1.5. Malnourishment results when there is(A) A diet that does not provide enough fatty acids(B) A diet with short-term absence of one or more essential nutrients(C) A diet that does not provide enough…arrow_forwardTest Your Understanding Know and Comprehend 5. The orbitals composing an atoms valence electron shell (a) are arranged as concentric spheres (b) contain the atoms least energetic electrons (c) may change shape when covalent bonds are formed (d) never contain more than one electron each (e) more than one of the preceding is correctarrow_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
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