Pearson eText Biology: Science for Life with Physiology -- Instant Access (Pearson+)
6th Edition
ISBN: 9780135214114
Author: Colleen Belk, Virginia Maier
Publisher: PEARSON+
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Chapter 2, Problem 2AAATB
Summary Introduction
To review:
The chemical properties of water that is the basis for a study to consume at least eight glasses of water in a day.
Introduction:
Water is a colorless, transparent and odorless liquid. It is a chemical compound that consists of one oxygen atom and two hydrogen atoms. It is the basis of the body fluids of living organisms. It forms rivers, lakes, seas, and rain.
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Answer this following question in your own words:
question 1: Identify the four most abundant elements in the body. question 2: Explain the relationship between an atom’s number of electrons and its relative stability.
Question 3: Briefly identify a few characteristic points about the following bonds: Ionic bonds, Covalent bonds, and Hydrogen bonds.
Question 4: Explain how energy is invested, stored, and released via chemical reactions?
Question 5: Compare and contrast the difference between Proteins, Carbohydrates, Lipids and Nucleic acids?
Chapter 2 Solutions
Pearson eText Biology: Science for Life with Physiology -- Instant Access (Pearson+)
Ch. 2 - Prob. 1LTBCh. 2 - Prob. 2LTBCh. 2 - Add labels to the figure that follows, which...Ch. 2 - Prob. 4LTBCh. 2 - Prob. 5LTBCh. 2 - Which of the following terms is least like the...Ch. 2 - Different proteins are composed of different...Ch. 2 - Proteins may function as ___________ genetic...Ch. 2 - Prob. 9LTBCh. 2 - Eukaryotic cells differ from prokaryotic cells in...
Ch. 2 - Which of the following lists the chemical bonds...Ch. 2 - Which of the following is not consistent with...Ch. 2 - Consider a virus composed of a protein coat...Ch. 2 - Prob. 2AAATBCh. 2 - Carbon, oxygen, hydrogen, and nitrogen are common...Ch. 2 - List some alternate explanations that should be...Ch. 2 - Do some web-based research using scientifically...Ch. 2 - Prob. 1MTC
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- Which of the following statements is not true? a. Water is polar. b. Water stabilizes temperature. c. Water is essential for life. d. Water is the most abundant atom in Earth’s atmosphere.arrow_forwardAlchemists were the forerunners of modern-day chemists. Many of these medieval scholars and philosophers spent their lives trying to transform lead (atomic number 82) into gold (atomic number 79). Explain why they never succeeded.arrow_forwardWhat is the significance of water and its solutions to all living systems, and why is it important to understand the properties that allow water to support life?arrow_forward
- How do you know scientifically that fat and soap are different substances ?arrow_forwardWhich of the following are properties of water that make itimportant for living cells?(a) It is a polar molecule that can form solutions.(b) It has high surface tension.(c) It has a high specific heat.(d) It can participate in dehydration and hydrolysisreactions.(e) All of the above.arrow_forwardExplain the each of the following properties making water important to lifearrow_forward
- Why is water necessary for life?arrow_forwardRemember the glass slide experiment where two dry slides wouldn't stick to each other but the slides with one drop of water between them would adhere to one another? Ethanol forms fewer hydrogen bonds than water due to the chemical differences between the two molecules. If we performed this same experiment with the glass slides using ethanol instead of water, what would we observe? O It will be more difficult to separate slides with a drop of ethanol between them There will be no difference in the amount of effort required to separate slides with drops of ethanol or water between them O It would be easier to separate slides with a drop of ethanol between themarrow_forwardWhich of the following statements about chemicalbonds is true?a. Covalent bonds are stronger than ionic bonds.b. Hydrogen bonds occur between two atoms ofhydrogen.c. Bonding readily occurs between nonpolar andpolar molecules.d. A molecule of water is unlikely to bond with anion.arrow_forward
- Which of the following happens in all chemical reactions (involving molecules) in all living organisms? O C) Chemical energy changes form to thermal energy O A and B O A, B, and C O A) Matter changes form from one combination of atoms to a different combination of atoms O D) Electromagnetic (light) energy changes form to chemical energy O B) Chemical energy in one molecule changes form to chemical energy in another molecule O A, B, C, and Darrow_forwardWhich of the following substances is an element? salt O glucose water ironarrow_forwardWhy does water have such interesting and unique properties?arrow_forward
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