Becker's World of the Cell (9th Edition)
9th Edition
ISBN: 9780321934925
Author: Jeff Hardin, Gregory Paul Bertoni
Publisher: PEARSON
expand_more
expand_more
format_list_bulleted
Concept explainers
Textbook Question
Chapter 2, Problem 2.3PS
Wrong Again. For each of the following false statements, change the statement to make it true.
(a) Hydrogen, nitrogen, and carbon are the elements that can most readily form strong multiple bonds.
(b) Water has a higher specific heat than most other liquids because of its low molecular weight.
(c) Oil droplets in water coalesce to form a separate phase because of the strong attraction of hydrophobic molecules for each other.
(d) In a hydrogen bond, electrons are shared between a hydrogen atom and two neighboring electronegative atoms.
(e) Biological membranes are called selectively permeable because large polar molecules and ions can never pass through them.
Expert Solution & Answer
Want to see the full answer?
Check out a sample textbook solutionStudents have asked these similar questions
Fill in the blanks.
Potassium has an atomic number of 19 and a mass number of 40. From this
you can determine Potassium has (#)
A/
A/
neutrons and (#)
protons.
Proteins are quite stable. The lifetime of a peptide bond in aqueous solution is nearly 1000 years. However, the free energy of hydrolysis of proteins is negative and quite large. How can you account for the stability of the peptide bond in light of the fact that hydrolysis releases much energy?
Please show the bonds thank you
Chapter 2 Solutions
Becker's World of the Cell (9th Edition)
Ch. 2 - What properties of the carbon atom make it...Ch. 2 - QUESTION: Compare the flights of the ionized...Ch. 2 - How would the properties of water change if the...Ch. 2 - Why is the amphipathic nature of membrane...Ch. 2 - Problem Set CONCEPT CHECK 2.4 What characteristics...Ch. 2 - Problem Set CONCEPT CHECK 2.5 TMV is an...Ch. 2 - The Fitness of Carbon. Each of the properties that...Ch. 2 - The Fitness of Water. For each of these statements...Ch. 2 - Wrong Again. For each of the following false...Ch. 2 - Prob. 2.4PS
Ch. 2 - Drug Targeting. Your company has developed a new...Ch. 2 - Its All About Membranes. Answer each of the...Ch. 2 - The Polarity of Water. Defend the assertion that...Ch. 2 - QUANTITATIVE Bond Energies. A single covalent bond...Ch. 2 - TMV Assembly. Each of these statements is an...Ch. 2 - Mars Is Alive? Imagine this futuristic scenario:...
Knowledge Booster
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Proteins class question: Why is it rare to have crystal structures of heteromers of cyclic symmetry higher than 2-fold? This can be answered in 150 words or less. Please give me the correct answer with explanation quickly I will give you upvotearrow_forward4. Amphiphilic Lipids. Detergents are small amphiphilic molecules that tend to form micelles in water. (a) Draw the structures of sodium dodecyl sulfate (SDS) and Triton X-100 (b) For each drawn detergent, indicate which portions (ends) of the molecules are hydrophilic and hydrophobic. Justify your answer (explain why hydrophilic vs hydrophobic). (c) Draw the micelle structure for one of the detergents. (d) Why does the detergent form a micelle and not a bilayer? Why do detergents denature proteins and remove grease from your clothing?arrow_forwardLetter only, no need to explain. 1. These are molecules composed of hydrogen, carbon and oxygen, with no 2:1 ratio of hydrogen to oxygen. A. Lipids B. Carbohydrates C. Proteins D. Nucleic acids 2. The following statement are true about water EXCEPT: A.Water is a polar substance. B.Water will dissolve non-polar substances C.Water forms hydration shells around certain ions D.The capacity of water to dissolve many substances comes from its dipolar nature. 3. If a compound dissociates into H+ and a negative ion, it is a? A. acid B. base C. salt D. neutral compound 4. The following are components of a nucleotide EXCEPT: A. Pentose sugar B. Phosphate group C. hydroxyl group D. Nitrogen-containing base 5. The following can be dissolved in water EXCEPT: A. Salts B. Carbohydrates C. Lipids D. Hydrochloric acidarrow_forward
- Dehydration Synthesis and Hydrolysis: Carbohydrates, proteins, and lipids are all synthesized and broken down by the same types of reactions. In dehydration synthesis, a hydrogen ion (H+) from one molecule joins with a hydroxyl group (OH-) from another molecule to form water (H2O), leaving the two molecules bonded to the same oxygen atom. For example, when two molecules of glucose are joined by dehydration synthesis, they form maltose and water (see below). In hydrolysis, complex organic molecules are broken down by the addition of the components of water - H+ and OH-. Both dehydration synthesis and hydrolysis require certain conditions of pH and temperature and the presence of particular enzymes. Briefly compare and contrast the dehydration synthesis and hydrolysis reactions.arrow_forwardTRUE OR FALSE HYDROGENATION: I. Involves hydrogen addition across carbon-carbon double bonds II. The removal of a double bond results to an increase in melting point III. Favors the absorption of vitamins in the structurearrow_forwardPlease do some explanation of each elements. Thank you so much!arrow_forward
- an atom (to form cations) or adding electrons (to form anions). Ions are never formed by 1. It is important to recognize that ions are always formed by removing electrons from a. There must be both positive ions (cations) and negative ions (anions) present. 2. It is very important to remember that a chemical compound must have a net charge Read the following sentences. changing the number of protons in an atom's nucleus. of zero. This means that if a compound contains ions, then aarrow_forward1- (True or False) Adjacent nucleotides are joined by covalent bonds that form between the –OH group on the 3` carbon of one nucleotide and the phosphate on the 5` carbon on the next. 2- (True or False) if a solute is in an aqueous solution, then by definition an hydration shell has formed around it. 3- (True or False) When exposed to water, phospholipids will self-organize into lipid bilayers, and spheres.arrow_forwardH онн C-C-N -C C-N OH +H20 HH H. H N- C-N-C-C OH OH H. R R The chemical reaction illustrated in the accompanying figure H H C-N-C-C OH N- -C OH R R The chemical reaction illustrated in the accompanying figure O links two monomers to form a polymer separates two phospholipids in a bilayer breaks a peptide bond is a hydrolysis reaction in a polysaccharide A piece of DNA has the following sequence: 5' TCATGG 3'. What would be the sequence of the complementary strand? O 3'AGTACC 5' O S' AGTACC 3 O3 CCATGA 5 O s CCATGA 3 Refer to the accompanying figure. RNA at the beginning of the strands are shaded in lighter color. Identify th leading strand in this figure! O a O b HICIRarrow_forward
- Please ASAP. Thanku. Explain in detail why water molecules are polar. Your explanation can be as long as you wish. Your answer must be in your own words. Your answer must include the following terms: Polar, polar covalent bonds, electronegativity, oxygen, hydrogen, partial positive, partial negartive, electrons.arrow_forwardThis is fill in the blanks ( please check my answers which are the ones underlined) There are five basic types of macromolecules. Those which are used mostly for energy in the body and are made of ring-like structures are called carbohydrates. A single ringed molecule is a monosaccharide, while a molecule with 2 rings is called a disaccharide. Those made by assembling many rings into chains are called covalent bonds. This macromolecule is made only from the elements Carbon, Hydrogen, and Oxygen. Another macromolecule made only from these elements lipids. The simplest molecule in this category is called a fatty acid. Three of these can combine with a molecule called glycerol to form a triacylglycerol. A special kind of this macromolecule that includes phosphate and nitrogen is used in cell membranes is called phospholipids. Testosterone and estrogen are another special category of this macromolecule, called hormones. A third macromolecule is based on amino acids. These are made of the…arrow_forward(a). Phospholipids are amphipathic molecules which have hydrophilic and hydrophobic regions. Explain how this feature benefits the cell. (Give ONE reason) (2) (b). Give ONE difference between a saturated phospholipid and an unsaturated phospholipid. (2)arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSONBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStaxAnatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
- Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & CompanyLaboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Nutrition and Diet - GCSE Biology (9-1); Author: Mr Exham Biology;https://www.youtube.com/watch?v=SFE1DfAlipo;License: Standard Youtube License