EBK HUMAN BIOLOGY
11th Edition
ISBN: 9780100545939
Author: MCMILLAN
Publisher: YUZU
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Chapter 3, Problem 3CT
Section 3.17 mentions that arsenic poisons human cells because it halts the production of ATP. This happens because the structure of arsenic atoms closely resembles that of phosphorus atoms—so close, in fact, that arsenic can take the place of phosphorus in
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Chapter 3 Solutions
EBK HUMAN BIOLOGY
Ch. 3 - Describe the general functions of the following in...Ch. 3 - Which organelles are in the endomembrane system?Ch. 3 - Distinguish between the following pairs of terms:...Ch. 3 - What do enzymes do in metabolic reactions?Ch. 3 - In aerobic cellular respiration, which reactions...Ch. 3 - For the diagram of the aerobic pathway shown in...Ch. 3 - The plasma membrane __________. a. surrounds the...Ch. 3 - The _________ is responsible for a eukaryotic...Ch. 3 - Cell membranes consist mainly of a _________. a....Ch. 3 - Prob. 4SQ
Ch. 3 - The passive movement of a solute through a...Ch. 3 - Match each organelle with its correct function.Ch. 3 - Which of the following statements is not true?...Ch. 3 - Enzymes _______. a. enhance reaction rates b. are...Ch. 3 - Match each substance with its correct descriptionCh. 3 - Cellular respiration is completed in the ______....Ch. 3 - Prob. 11SQCh. 3 - In a mitochondrion, where are the electron...Ch. 3 - Prob. 1CTCh. 3 - Jogging is considered aerobic exercise because the...Ch. 3 - Section 3.17 mentions that arsenic poisons human...Ch. 3 - The cells of your body never use nucleic acids as...
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- into oxygen gas (O2) as shown by the following chemical equation. O3 +0- 202 shown by the 2 equations below. Cl + O3 - ClO + O2 CIO + 0- Cl + O2 In this process, the chlorine atom acts as 2) Pepsin is an enzyme present in gastric juice. In the stomach, it catalyzes the breaks down of proteins into the shorter polypeptides. Therefore, proteins of pepsin. are Wayne Ann M. Ladringan AUTHOR General Biology 1 SUBJECT hagni Page.arrow_forwardPhosphorylation is a common covalent modification of proteins in all forms of life. What energetic advantages accrue from the use of ATP as the phosphoryl donor?arrow_forwardCholesterol is synthesized by all animal cells and is an essential structural component of animal cell membranes. Cholesterol is the most common steroid and is mainly synthesized in the liver. Cholesterol also serves as a precursor for several important biological compounds including all, EXCEPT: X A B C x D testosterone bile salts vitamin D insulin H H Narrow_forward
- Pinolenic acid is an unsaturated fatty acid that is obtained from Siberian pine nuts, Korean pine nuts, and the seeds of other pines. H-C CH2-CH2-CH2-COOH C-CH Part: 0 / 2 Part 1 of 2 H CH, H H C=C H-C H C-CH2 CH2-CH2-CH2-CH2-CH3 When this fatty acid is partially hydrogenated with one equivalent of H2 in the presence of a Pd catalyst, a mixture of constitutional isomers is formed. Modify the given structure to draw one of these possible products.arrow_forwardMatch each of the following aspects of triacylglycerols (TAGs) with the main structural feature which makes it possible. You may use each match only once. Ester linkages are vulnerable to hydrolysis. TAGS are not amphipathic. TAGS are hydrophobic and are stored anhydrously. Most of the carbons in TAG are highly reduced. 1. 2. 3. 4. TAGS can produce more energy per carbon than glycogen. TAGS can be stored safely, without danger of dissolving cell membranes. TAGS are a much lighter energy store than an equivalent amount of glycogen. The free fatty acids can be readily liberated from the TAGS when they are required for energy production.arrow_forward2.1 The Na'/K' pump is constantly working to push sodium out and potassium into the cell. What role does ATP play in the working of this pump? What do you think would happen to the cell did not have enough ATP to power the pump? 3. Enzymes. Enzymes act as a catalyst to speed up many biochemical reactions. This means that they will lower the energy needed to start a reaction. 3.1 In the picture below label the following: substrate, active site, enzyme, product. Briefly explain what is happening in each picture (figure 6.16 will be VERY helpful).arrow_forward
- Which of the following molecular formulas would be for an aldopentose? C4H8O4 C₂H₁408 C6H12O6 C5H1005 Darrow_forwardCholesterol is a needed substance for the human body; we use it as a base for certain hormones and as a support structure in our plasma membranes. If it is needed in the body,how can it also be harmful?arrow_forwardIn a dietary context, what is the difference between good and bad cholesterol?arrow_forward
- Although the first two carbons of fructose and glucose are identical in structure to DHAP and GADP (from glycolysis), DHAP and GADP equilibriate on their in solution to favor the ketone over the aldehyde, while fructose and glucose do not. Why? a)The larger size of the molecule sterically hinders the isomerization b)The larger sugars have more OH groups which hydrogen bond and disrupt isomerization c)The larger sugars cyclize, and there is no carbonyl to isomerize in the cyclic form d)The larger sugars cyclize, and in the cyclic form the hydrogen bonding is very strong e)The larger sugars are less soluble in water than the smaller sugarsarrow_forwardWhich of the following is true of the molecule pictured below? A) It will spontaneously form into biological membranes. B) It would be liquid at room temperature because it contains unsaturated fatty acids. C) It would be solid at room temperature because it contains only saturated fatty acids. D) It would be liquid at room temperature because it contains only saturated fatty acids. E) It would be solid at room temperature because it contains unsaturated fatty acids.arrow_forwardMatch the chemical structure to the name provided. ВОЕ Coenzyme Cofactor Nucleoside 1. 2. 3. 4. 5. 6. НО. Но ОН НО. Mg2+ НО NH3 SH ОН ОН NH3+ SH ОН NH₂arrow_forward
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