Lote
Exam Package Deal Graded A+
Exam Package Deal Graded A+
[Mostrar más]Exam Package Deal Graded A+
[Mostrar más]In a bacterial cell, the DNA is in the: 
A) cell envelope. 
B) cell membrane. 
C) nucleoid. 
D) nucleus. 
E) ribosomes. - C - Nucleoid 
A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: 
A) DNA. 
B) photosynthetic capability. 
C) plasma membranes. 
D) r...
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. - C - Nucleoid 
A major change occurring in the evolution of eukaryotes from prokaryotes was the development of: 
A) DNA. 
B) photosynthetic capability. 
C) plasma membranes. 
D) r...
1. The radioimmunossay (RIA) is based on competition of unlabeled and radiolabeled: 
A) antibodies for binding to a hormone. 
B) antibodies for binding to a receptor. 
C) hormone for binding to a receptor. 
D) hormone for binding to an antibody. 
E) receptor for binding to a hormone. - D 
2. One dis...
Vista previa 2 fuera de 11 páginas
Añadir al carrito1. The radioimmunossay (RIA) is based on competition of unlabeled and radiolabeled: 
A) antibodies for binding to a hormone. 
B) antibodies for binding to a receptor. 
C) hormone for binding to a receptor. 
D) hormone for binding to an antibody. 
E) receptor for binding to a hormone. - D 
2. One dis...
1. Which of the following is not required in the synthesis of fatty acids? 
A) Acetyl-CoA 
B) Biotin 
C) HCO3- (CO2) 
D) Malonyl-CoA 
E) NADH - E 
2. Which of the following is not true of the reaction producing malonyl-CoA during fatty acid synthesis? 
A) It is stimulated by citrate. 
B) It requires...
Vista previa 2 fuera de 10 páginas
Añadir al carrito1. Which of the following is not required in the synthesis of fatty acids? 
A) Acetyl-CoA 
B) Biotin 
C) HCO3- (CO2) 
D) Malonyl-CoA 
E) NADH - E 
2. Which of the following is not true of the reaction producing malonyl-CoA during fatty acid synthesis? 
A) It is stimulated by citrate. 
B) It requires...
1. Which of the following statements about the fixation of atmospheric nitrogen (N2) into NH3 by living 
cells is false? 
A) It involves the transfer of eight electrons per mol of N2. 
B) It occurs in certain microorganisms, but not in humans. 
C) It requires a source of electrons, normally ferredox...
Vista previa 2 fuera de 13 páginas
Añadir al carrito1. Which of the following statements about the fixation of atmospheric nitrogen (N2) into NH3 by living 
cells is false? 
A) It involves the transfer of eight electrons per mol of N2. 
B) It occurs in certain microorganisms, but not in humans. 
C) It requires a source of electrons, normally ferredox...
1. Under which circumstances are amino acids not metabolized via oxidative degradation? 
A) Starvation 
B) Plants growing in nutrient-rich soils 
C) Normal protein turnover 
D) A diet rich in proteins 
E) Uncontrolled diabetes - B 
2. Which of these is not a protease that acts in the small intestine...
Vista previa 2 fuera de 10 páginas
Añadir al carrito1. Under which circumstances are amino acids not metabolized via oxidative degradation? 
A) Starvation 
B) Plants growing in nutrient-rich soils 
C) Normal protein turnover 
D) A diet rich in proteins 
E) Uncontrolled diabetes - B 
2. Which of these is not a protease that acts in the small intestine...
1. Which of the following does not contribute to the regulation of enzymatic activity? 
A) Protein phosphorylation 
B) Allosteric regulation 
C) Protein stability 
D) mRNA stability 
E) DNA stability - E 
2. For an enzyme to effectively change its activity in response to a change in substrate concen...
Vista previa 2 fuera de 9 páginas
Añadir al carrito1. Which of the following does not contribute to the regulation of enzymatic activity? 
A) Protein phosphorylation 
B) Allosteric regulation 
C) Protein stability 
D) mRNA stability 
E) DNA stability - E 
2. For an enzyme to effectively change its activity in response to a change in substrate concen...
Which of the following is not involved in the specificity of signal transduction? 
A) Interactions between receptor and signal molecules 
B) Location of receptor molecules 
C) Structure of receptor molecules 
D) Structure of signal molecules 
E) Transmembrane transport of signal molecules by recepto...
Vista previa 2 fuera de 13 páginas
Añadir al carritoWhich of the following is not involved in the specificity of signal transduction? 
A) Interactions between receptor and signal molecules 
B) Location of receptor molecules 
C) Structure of receptor molecules 
D) Structure of signal molecules 
E) Transmembrane transport of signal molecules by recepto...
One of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc 
deficiency, when the enzyme may lack zinc, it would be referred to as the: 
A) apoenzyme. 
B) coenzyme. 
C) holoenzyme. 
D) prosthetic group. 
E) substrate. - A) apoenzyme. 
Which one of the f...
Vista previa 2 fuera de 15 páginas
Añadir al carritoOne of the enzymes involved in glycolysis, aldolase, requires Zn2+ for catalysis. Under conditions of zinc 
deficiency, when the enzyme may lack zinc, it would be referred to as the: 
A) apoenzyme. 
B) coenzyme. 
C) holoenzyme. 
D) prosthetic group. 
E) substrate. - A) apoenzyme. 
Which one of the f...
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. - D) peptide bonds. 
The most important contribution to the stability of a protein's conformation appears to...
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. - D) peptide bonds. 
The most important contribution to the stability of a protein's conformation appears to...
The interactions of ligands with proteins: 
A) are relatively nonspecific. 
B) are relatively rare in biological systems. 
C) are usually irreversible. 
D) are usually transient. 
E) usually result in the inactivation of the proteins. - D 
A prosthetic group of a protein is a non-protein structure t...
Vista previa 2 fuera de 6 páginas
Añadir al carritoThe interactions of ligands with proteins: 
A) are relatively nonspecific. 
B) are relatively rare in biological systems. 
C) are usually irreversible. 
D) are usually transient. 
E) usually result in the inactivation of the proteins. - D 
A prosthetic group of a protein is a non-protein structure t...
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 c...
Vista previa 2 fuera de 6 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 c...
1. Which of the following is not true of the reaction catalyzed by the pyruvate dehydrogenase complex? 
A) Biotin participates in the decarboxylation. 
B) Both NAD+ and a flavin nucleotide act as electron carriers. 
C) The reaction occurs in the mitochondrial matrix. 
D) The substrate is held by the...
Vista previa 2 fuera de 11 páginas
Añadir al carrito1. Which of the following is not true of the reaction catalyzed by the pyruvate dehydrogenase complex? 
A) Biotin participates in the decarboxylation. 
B) Both NAD+ and a flavin nucleotide act as electron carriers. 
C) The reaction occurs in the mitochondrial matrix. 
D) The substrate is held by the...
1. If the delta G'° of the reaction A --> B is -40 kJ/mol, under standard conditions the reaction: 
A) is at equilibrium. 
B) will never reach equilibrium. 
C) will not occur spontaneously. 
D) will proceed at a rapid rate. 
E) will proceed spontaneously from A to B. - E 
For the reaction A ---...
Vista previa 2 fuera de 8 páginas
Añadir al carrito1. If the delta G'° of the reaction A --> B is -40 kJ/mol, under standard conditions the reaction: 
A) is at equilibrium. 
B) will never reach equilibrium. 
C) will not occur spontaneously. 
D) will proceed at a rapid rate. 
E) will proceed spontaneously from A to B. - E 
For the reaction A ---...
To possess optical activity, a compound must be: 
A) a carbohydrate. 
B) a hexose. 
C) asymmetric. 
D) colored. 
E) D-glucose. - C) asymmetric. 
Which of the following monosaccharides is not an aldose? 
A) erythrose 
B) fructose 
C) glucose 
D) glyceraldehyde 
E) ribose - B) fructose 
The reference ...
Vista previa 2 fuera de 6 páginas
Añadir al carritoTo possess optical activity, a compound must be: 
A) a carbohydrate. 
B) a hexose. 
C) asymmetric. 
D) colored. 
E) D-glucose. - C) asymmetric. 
Which of the following monosaccharides is not an aldose? 
A) erythrose 
B) fructose 
C) glucose 
D) glyceraldehyde 
E) ribose - B) fructose 
The reference ...
Which one of the following statements about membranes is true? 
A) Most plasma membranes contain more than 70% proteins. 
B) Sterol lipids are common in bacterial plasma membranes. 
C) Sterol lipids are common in human cell plasma membranes. 
D) Sterol lipids are common in plant cell plasma membrane...
Vista previa 2 fuera de 10 páginas
Añadir al carritoWhich one of the following statements about membranes is true? 
A) Most plasma membranes contain more than 70% proteins. 
B) Sterol lipids are common in bacterial plasma membranes. 
C) Sterol lipids are common in human cell plasma membranes. 
D) Sterol lipids are common in plant cell plasma membrane...
Compradores de Stuvia evaluaron más de 700.000 resúmenes. Así estas seguro que compras los mejores documentos!
Puedes pagar rápidamente y en una vez con iDeal, tarjeta de crédito o con tu crédito de Stuvia. Sin tener que hacerte miembro.
Tus compañeros escriben los resúmenes. Por eso tienes la seguridad que tienes un resumen actual y confiable. Así llegas a la conclusión rapidamente!
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Nuestra garantía de satisfacción le asegura que siempre encontrará un documento de estudio a tu medida. Tu rellenas un formulario y nuestro equipo de atención al cliente se encarga del resto.
Stuvia is a marketplace, so you are not buying this document from us, but from seller PatrickKaylian. Stuvia facilitates payment to the seller.
No, you only buy this summary for $17.49. You're not tied to anything after your purchase.
4.6 stars on Google & Trustpilot (+1000 reviews)
45,681 summaries were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now