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LEHNINGER PRINCIPLES OF BIOCHEMISTRY PACKAGE BUNDLE
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[Mostrar más]Which of these statements about hydrogen bonds is not true? 
A) Hydrogen bonds account for the anomalously high boiling point of water. 
B) In liquid water, the average water molecule forms hydrogen bonds with three to four other water molecules. 
C) Individual hydrogen bonds are much weaker than ...
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Añadir al carritoWhich of these statements about hydrogen bonds is not true? 
A) Hydrogen bonds account for the anomalously high boiling point of water. 
B) In liquid water, the average water molecule forms hydrogen bonds with three to four other water molecules. 
C) Individual hydrogen bonds are much weaker than ...
All of the following are considered "weak" interactions in proteins, except: 
 
A) hydrogen bonds. 
B) hydrophobic interactions. 
C) ionic bonds. 
D) peptide bonds. 
E) van der Waals forces. CORRECT ANSWER D) peptide bonds. 
 
The most important contribution to the stability of a protein's c...
Vista previa 2 fuera de 5 páginas
Añadir al carritoAll of the following are considered "weak" interactions in proteins, except: 
 
A) hydrogen bonds. 
B) hydrophobic interactions. 
C) ionic bonds. 
D) peptide bonds. 
E) van der Waals forces. CORRECT ANSWER D) peptide bonds. 
 
The most important contribution to the stability of a protein's c...
Micelles CORRECT ANSWER Spherical structures that contain anywhere from a few dozen to a few thousand amphipathic molecules. The non polar portions in the interior and the polar portions at the exterior surface, exposed to water 
 
Fluid Mosaic Model CORRECT ANSWER The concept that cell membranes ar...
Vista previa 1 fuera de 2 páginas
Añadir al carritoMicelles CORRECT ANSWER Spherical structures that contain anywhere from a few dozen to a few thousand amphipathic molecules. The non polar portions in the interior and the polar portions at the exterior surface, exposed to water 
 
Fluid Mosaic Model CORRECT ANSWER The concept that cell membranes ar...
amino acids CORRECT ANSWER α-Amino-substituted carboxylic acids, the building blocks of proteins. 
 
residue CORRECT ANSWER A single unit in a polymer; for example, an amino acid in a polypeptide chain. The term reflects the fact that sugars, nucleotides, and amino acids lose a few atoms (generally...
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Añadir al carritoamino acids CORRECT ANSWER α-Amino-substituted carboxylic acids, the building blocks of proteins. 
 
residue CORRECT ANSWER A single unit in a polymer; for example, an amino acid in a polypeptide chain. The term reflects the fact that sugars, nucleotides, and amino acids lose a few atoms (generally...
Which of the following functional groups is specific to an alcohol? CORRECT ANSWER -OH 
 
The main difference between prokaryotic and eukaryotic cells is the existence of _______ in eukaryotes. CORRECT ANSWER the nucleus 
 
Which of the following organelles does not have a double membrane? 
a. mitoc...
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Añadir al carritoWhich of the following functional groups is specific to an alcohol? CORRECT ANSWER -OH 
 
The main difference between prokaryotic and eukaryotic cells is the existence of _______ in eukaryotes. CORRECT ANSWER the nucleus 
 
Which of the following organelles does not have a double membrane? 
a. mitoc...
Almost all of the oxygen (O2) one consumes in breathing is converted to: 
 
A) acetyl-CoA. 
B) carbon dioxide (CO2). 
C) carbon monoxide and then to carbon dioxide. 
D) none of the above. 
E) water. CORRECT ANSWER E) water. 
 
A new compound isolated from mitochondria is claimed to represent a previ...
Vista previa 2 fuera de 12 páginas
Añadir al carritoAlmost all of the oxygen (O2) one consumes in breathing is converted to: 
 
A) acetyl-CoA. 
B) carbon dioxide (CO2). 
C) carbon monoxide and then to carbon dioxide. 
D) none of the above. 
E) water. CORRECT ANSWER E) water. 
 
A new compound isolated from mitochondria is claimed to represent a previ...
Which of the following are characteristics of living systems? 
 
A. High degree of complexity and organization 
B. Extraction, transformation, and systematic use of energy to create and maintain structures and to do work 
C. Interactions of individual components are dynamic and coordinated 
D. A ca...
Vista previa 2 fuera de 10 páginas
Añadir al carritoWhich of the following are characteristics of living systems? 
 
A. High degree of complexity and organization 
B. Extraction, transformation, and systematic use of energy to create and maintain structures and to do work 
C. Interactions of individual components are dynamic and coordinated 
D. A ca...
The chirality of an amino acid results from the fact that its α carbon: 
A) has no net charge. 
B) is a carboxylic acid. 
C) is bonded to four different chemical groups. 
D) is in the L absolute configuration in naturally occurring proteins. 
E) is symmetric. CORRECT ANSWER C) is bonded to fou...
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Añadir al carritoThe chirality of an amino acid results from the fact that its α carbon: 
A) has no net charge. 
B) is a carboxylic acid. 
C) is bonded to four different chemical groups. 
D) is in the L absolute configuration in naturally occurring proteins. 
E) is symmetric. CORRECT ANSWER C) is bonded to fou...
In a bacterial cell, the DNA is in the: 
A) cell envelope. 
B) cell membrane. 
C) nucleoid. 
D) nucleus. 
E) ribosomes. CORRECT ANSWER C - Nucleoid 
 
A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: 
A) DNA. 
B) photosynthetic capability. 
C) ...
Vista previa 2 fuera de 7 páginas
Añadir al carritoIn a bacterial cell, the DNA is in the: 
A) cell envelope. 
B) cell membrane. 
C) nucleoid. 
D) nucleus. 
E) ribosomes. CORRECT ANSWER C - Nucleoid 
 
A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: 
A) DNA. 
B) photosynthetic capability. 
C) ...
In a bacterial cell, the DNA is in the: 
A) cell envelope. 
B) cell membrane. 
C) nucleoid. 
D) nucleus. 
E) ribosomes. CORRECT ANSWER C - Nucleoid 
 
A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: 
A) DNA. 
B) photosynthetic capability. 
C) ...
Vista previa 2 fuera de 7 páginas
Añadir al carritoIn a bacterial cell, the DNA is in the: 
A) cell envelope. 
B) cell membrane. 
C) nucleoid. 
D) nucleus. 
E) ribosomes. CORRECT ANSWER C - Nucleoid 
 
A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: 
A) DNA. 
B) photosynthetic capability. 
C) ...
All of the following are considered "weak" interactions in proteins, except: 
 
A) hydrogen bonds. 
B) hydrophobic interactions. 
C) ionic bonds. 
D) peptide bonds. 
E) van der Waals forces. CORRECT ANSWER D) peptide bonds. 
 
The most important contribution to the stability of a protein's c...
Vista previa 2 fuera de 6 páginas
Añadir al carritoAll of the following are considered "weak" interactions in proteins, except: 
 
A) hydrogen bonds. 
B) hydrophobic interactions. 
C) ionic bonds. 
D) peptide bonds. 
E) van der Waals forces. CORRECT ANSWER D) peptide bonds. 
 
The most important contribution to the stability of a protein's c...
Which of these statements about hydrogen bonds is not true? 
A) Hydrogen bonds account for the anomalously high boiling point of water. 
B) In liquid water, the average water molecule forms hydrogen bonds with three to four other water molecules. 
C) Individual hydrogen bonds are much weaker than ...
Vista previa 2 fuera de 7 páginas
Añadir al carritoWhich of these statements about hydrogen bonds is not true? 
A) Hydrogen bonds account for the anomalously high boiling point of water. 
B) In liquid water, the average water molecule forms hydrogen bonds with three to four other water molecules. 
C) Individual hydrogen bonds are much weaker than ...
Glycogen is converted to monosaccharide units by: 
 
A) glucokinase. 
B) glucose-6-phosphatase 
C) glycogen phosphorylase. 
D) glycogen synthase. 
E) glycogenase. CORRECT ANSWER C) glycogen phosphorylase. 
 
The glycogen-branching enzyme catalyzes: 
 
A) degradation of (α1 → 4) linkages in glycog...
Vista previa 2 fuera de 8 páginas
Añadir al carritoGlycogen is converted to monosaccharide units by: 
 
A) glucokinase. 
B) glucose-6-phosphatase 
C) glycogen phosphorylase. 
D) glycogen synthase. 
E) glycogenase. CORRECT ANSWER C) glycogen phosphorylase. 
 
The glycogen-branching enzyme catalyzes: 
 
A) degradation of (α1 → 4) linkages in glycog...
Micelles CORRECT ANSWER Spherical structures that contain anywhere from a few dozen to a few thousand amphipathic molecules. The non polar portions in the interior and the polar portions at the exterior surface, exposed to water 
 
Fluid Mosaic Model CORRECT ANSWER The concept that cell membranes ar...
Vista previa 1 fuera de 3 páginas
Añadir al carritoMicelles CORRECT ANSWER Spherical structures that contain anywhere from a few dozen to a few thousand amphipathic molecules. The non polar portions in the interior and the polar portions at the exterior surface, exposed to water 
 
Fluid Mosaic Model CORRECT ANSWER The concept that cell membranes ar...
enzyme CORRECT ANSWER A biomolecule, either protein or RNA, that catalyzes a specific chemical reaction. It does not affect the equilibrium of the catalyzed reaction; it enhances the rate of the reaction by providing a reaction path with a lower activation energy. 
 
cofactor CORRECT ANSWER An inorg...
Vista previa 2 fuera de 7 páginas
Añadir al carritoenzyme CORRECT ANSWER A biomolecule, either protein or RNA, that catalyzes a specific chemical reaction. It does not affect the equilibrium of the catalyzed reaction; it enhances the rate of the reaction by providing a reaction path with a lower activation energy. 
 
cofactor CORRECT ANSWER An inorg...
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