Biochemistry

1. Which group consists only of amino acids with basic side chains? A. leucine and lysine B. arginine and leucine C. lysine and arginine D. arginine and isoleucine 2. Which amino acids contain sulfur? A. cysteine and lysine B. cysteine and methionine C. arginine and methionine D. cysteine and isoleucine 3. Which amino acid takes on a negative charge when the R-group loses a proton? A. Glutamic Acid B. Histidine C. Glutamine D. Tyrosine E. Glutamic Acid and Tyrosine 4. Wh...

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1) The synthesis of which molecule is considered by many to be the root of biochemistry since it was the first synthesis of a biological molecule from non-biological precursors? A) DNA B) urea C) glucose D) glycine E) adenosine triphosphate (ATP) Answer: B Difficulty: 1 Topic: The Roots of Biochemistry 2) Prior to 1926, the source of biological catalysis was postulated to be possessed by “ferments” which today are called _______. A) proteins B) nucleic acids C) enzymes D) polysa...

provides a set of questions and answers on biochemistry that will help the student in revision

Test Bank for Biochemistry, 2nd Edition by Roger L Miesfeld Complete C

Test Bank for Biochemistry, 2nd Edition by Roger L Miesfeld Complete Chapters

Protein secondary structure prediction methods by using computational approaches

Master the complexities of human physiology with this comprehensive textbook, covering topics such as blood transport, gas exchange, and oxygen binding. Dive deeper into the world of hemoglobin, myoglobin, and denatured hemoglobin, and explore the intricate mechanisms that regulate oxygen binding and release.

It is important for cells to degrade misfolded proteins. If misfolded proteins are not degraded, the misfolded proteins may aggregate and interfere with normal cellular function Which form(s) of DNA exhibit(s) a zigzag arrangement? Z-DNA In DNA, the phosphate groups are on the outside of the helix. Why does this stabilize the structure? Ionic interactions with the solvent A segment of DNA containing 20 base pairs includes 8 adenine residues. How many uracil residues are present? 0 The di...

True or False: According to the Module, a compound with a molecular mass of 1,000 g/mol is considered a macromolecule. False (macromolecule > 5,000 g/mol) True or False: Biomolecules can have two or more different functional groups. True True or False: The following functional group is an amine. C2H5NH2 True True or False: In a eukaryotic cell, the organelles called peroxisomes serve the purpose of digesting macromolecules. False (peroxisomes degrade dangerous/hazardous molecu...

Which of the following is not required in the synthesis of fatty acids? A) Acetyl-CoA B) Biotin C) HC03- (C02) D) Malony1-C0A E) NADH E 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 acyl carrier protein (ACP). C) It requires C02 (or bicarbonate). D) One mole of ATP is converted to ADP + Pi for each malonyl-CoA synthesized. E) The cofactor is biotin. B If malonyl-CoA is synthesized ...

What are three main points are glycogen 1. storage of glucose 2. glucose molecules attach to each other when in this form 3. this is the preferred source to maintain blood [glucose] - as it is made up of glucose What is degradation of glycogen to glucose-1-phosphate breakdown What is synthesis of glycogen to glucose-1-phoshphate converting glucose to glycogen to be stored until required When glucose-1-phosphate is going to glucose-6-phosphate, what is happening it is a conversion, a...

exergonic/endergonic energy exits/enters the system, negative/positive dG exothermic/endothermic heat exits/enters the system, negative/positive dH entropy dS is always positive, disorder of universe tends to increase enthalpy dH = dE + PdV, heat Gibbs free energy dG = dH - TdS, negative dG means reaction is spontaneous and favorable, this is determined by both Keq and Q dG' = - RTlnK'eq dG = dG' + RTlnQ, Q = Keq but not at any given time ATP -> ADP + P, dG = -12 a...

carbohydrates, proteins, lipids, and nucleic acids What are the four types of organic macromolecules? biochemical organic macromolecules What is the official name for carbs, proteins, lipids, and nucleic acids? carbon, hydrogen, oxygen What are the three elements that make up carbohydrates? monosaccharide What is the general term for a carbohydrate? glucose, galactose, fructose What are three examples of simple carbohydrates? hexagon, pentagon, hexagon What are the shapes of glucose, ...

Which of the following statements about enzymes are true: 1. Catalysis occurs at the active site, which usually consists of a crevice on the surface of the enzyme. 2. Generally, an enzyme is specific for a particular substrate. For example, thrombin catalyzes the hydrolysis of the peptide bond between Arg and Gly. 3. An enzyme yields a specific product, whereas a nonbiological catalyst may produce more than one product, and side reactions may occur. 4. Nonbiological catalysts and enzymes t...

chemical formula for water H₂O polar molecule molecule has positive and negative sides DUE to unequal sharing of electrons examples of polar molecules salt, sugar, water non-polar molecule molecule that shares electrons equally and does not have oppositely charged ends examples of non-polar molecules oils, fats, waxes cohesion attraction between like molecules (two water molecules) adhesion attraction between unlike molecules (water and glass) meniscus curved water line at top o...

How many elements have been found to occur in nature? 92 Living organisms are made up of energy and matter. True or false? True Why is chemistry important in the study of biology? The body is composed of chemical elements. Chemical reactions occur in the body. Chemistry studies matter and energy. The most abundant elements in the body are _____. hydrogen, carbon, nitrogen, oxygen This element is needed for cellular respiration. oxygen Elements abundant in the body are not abundant on...

Histones are _________ Charged and are rich in _________ Amino Acids - Positively - Lysine and Arginine "LA" DNA Methylation occurs on which Nucleotides? Cytosine and Adenine Cytosine is _________ and turned to Uracil Deaminated Cytosine → Uracil Add ________ to Uracil to form _________ Methyl Group Thymine Uracil → Thymine Purine Synthesis requires GAG - Glycine - Aspartate - Glutamine Pyrimidine Synthesis Requires - Aspartate - Carbamoyl Phosphate - Leflunomid...

BIOCHEMISTRY LAB REPORT 4 2023

BIOCHEMISTRY LAB REPORT 4 2023