Anatomy & Physiology (6th Edition)
6th Edition
ISBN: 9780134156415
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Chapter 2.6, Problem 19CYU
Summary Introduction
To review:
The way that the structure of a water molecule makes it an excellent solvent.
Introduction:
H2O, or a water molecule, consists of two hydrogen atoms bonded with one more electronegative oxygen atom through polar covalent bonding. It is a key molecule in the biological system. It is the most abundant substance in the world.
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Several emergent properties of water contribute to the suitability of the environment for life. In a short essay (150–200 words), describe how water's ability to function as a versatile solvent arises from the structure of water molecules.
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Read Chapter Summary for 2.3 and 2.4
Test Yourself on page 45-46
5.
6.
Apply what you know on page 46
5.
Section 2.5
Organic molecules –
Why is carbon the common building block of all organic molecules?
Figure 2.13 Dehydration synthesis and hydrolysis
Breakdown both terms:
"Dehydration" – removal of water
"Synthesis" – to build
"Нydro - " - water
"- lysis" – to break apart
Section 2.6
Carbohydrate – used for
and
Carbo" – means
and -hydrate means
Monosaccharide –
pg. 5
Chapter 2 Solutions
Anatomy & Physiology (6th Edition)
Ch. 2.1 - What form of energy is found in the food we eat?Ch. 2.1 - What form of energy is used to transmit messages...Ch. 2.1 - What type of energy is available when we are...Ch. 2.2 - What two elements besides H and N make up the bulk...Ch. 2.2 - An element has a mass of 207 and has 125 neutrons...Ch. 2.2 - How do the terms atomic mass and atomic weight...Ch. 2.3 - What is the meaning of the term molecule?Ch. 2.3 - Why is sodium chloride (NaCl) considered a...Ch. 2.3 - Blood contains a liquid component and living...Ch. 2.4 - What kinds of bonds form between water molecules?
Ch. 2.4 - Oxygen (8O) and argon (18A) are both gases. Oxygen...Ch. 2.4 - Assume imaginary compound XY has a polar covalent...Ch. 2.5 - Which reaction type-synthesis, decomposition, or...Ch. 2.5 - Why are many reactions that occur in living...Ch. 2.5 - What specific name is given to decomposition...Ch. 2.6 - Salts are electrolytes. What does that mean?Ch. 2.6 - Which ion is responsible for increased acidity?Ch. 2.6 - To minimize the sharp pH shift that occurs when a...Ch. 2.6 - Prob. 19CYUCh. 2.7 - Prob. 20CYUCh. 2.8 - What are the monomers of carbohydrates called?...Ch. 2.8 - What is the animal form of stored carbohydrate...Ch. 2.9 - Prob. 23CYUCh. 2.10 - What does the name amino acid tell you about the...Ch. 2.10 - What is the primary structure of proteins?Ch. 2.10 - What are the two types of secondary structure in...Ch. 2.10 - How do enzymes reduce the amount of activation...Ch. 2.11 - How do DNA and RNA differ in the bases and sugars...Ch. 2.11 - What are two important roles of DNA?Ch. 2.12 - Glucose is an energy-rich molecule. So why do body...Ch. 2.12 - What change occurs in ATP when it releases energy?Ch. 2 - Which of the following forms of energy is the...Ch. 2 - All of the following are examples of the four...Ch. 2 - The mass number of an atom is (a) equal to the...Ch. 2 - A deficiency in this element can be expected to...Ch. 2 - Which set of terms best describes a proton? (a)...Ch. 2 - The subatomic particles responsible for the...Ch. 2 - Prob. 7MCCh. 2 - Which of the following does not describe a...Ch. 2 - In a beaker of water, the water-water bonds can...Ch. 2 - When a pair of electrons is shared between two...Ch. 2 - Molecules formed when electrons are shared...Ch. 2 - Which of the following covalently bonded molecules...Ch. 2 - Prob. 13MCCh. 2 - Factors that accelerate the rate of chemical...Ch. 2 - Prob. 15MCCh. 2 - Waters importance to living systems reflects (a)...Ch. 2 - Acids (a) release hydroxyl ions when dissolved in...Ch. 2 - Prob. 18MCCh. 2 - Prob. 19MCCh. 2 - A chemical has an amine group and an organic acid...Ch. 2 - Prob. 21MCCh. 2 - Enzymes are organic catalysts that (a) alter the...Ch. 2 - Define or describe energy, and explain the...Ch. 2 - Some energy is lost in energy energy conversion....Ch. 2 - Provide the atomic symbol for each of the...Ch. 2 - Consider the following information about three...Ch. 2 - How many moles of aspirin, C9H8O4, are in a bottle...Ch. 2 - Given the following types of atoms, decide which...Ch. 2 - What are hydrogen bonds and how are they important...Ch. 2 - Prob. 8SAQCh. 2 - Differentiate clearly between primary, secondary,...Ch. 2 - Prob. 10SAQCh. 2 - Describe the mechanism of enzyme action.Ch. 2 - Explain why, if you pour water into a glass very...
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- Describe two properties of water which makes it essential to life as we know it. You need to name the property and describe how the structure of the water molecule allows for these unique characteristics.arrow_forwardWhat types of bonds occurs between water moleculesarrow_forwarddescribe how water's ability to function as a versatile solvent arises from the structure of water molecules.arrow_forward
- Explain why vegetable oil and water don't dissolve in one another.arrow_forwardMultiple water molecules are held together by... A. Dehydration synthesis B. Covalent bonds C. Hydrogen bonds D. Adhesionarrow_forwardIn your own words, list and define 3 properties of water that make it essential to life.arrow_forward
- 7) Water molecules are attracted to each other. Discuss the nature of the water molecule and how it is that each water molecule is attracted to neighboring water molecules. (4)arrow_forwardIf a protein were placed in a nonpolar solvent, would it have the same structure as thesame protein placed in water? Justify your answer using chemical detail.arrow_forwardWhy is water important in chemical reactions? Differentiate between cohesion and adhesion of water?arrow_forward
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