Biochemistry 1430 || Questions with complete solutions

Which of the following amino acids would most likely be soluble in a non polar solvent such as benzene? A) Valine B) Histidine C) Glutamine D) Glycine E) All of the above correct answers Valine What would the overall charge of the following peptide sequence at pH 1 be (Aps-Gly-Arg-His)? A)-...

Which of the following amino acids is glucogenic? correct answers A) asparagine B) methionine C) valine D) lysine Correct Response E) A, B, and C In the urea cycle, free NH4+ is coupled with carboxyphosphate to form: correct answers carbamic acid. In the urea cycle, the carbon s...

metabolic processes correct answers metabolic processestranscriptional regulation of the amount of enzyme, allosteric control of enzyme activity, accessibility of substrates by compartmentalization is the regulation of what? Pantothenate kinase associated degeneration correct answers This process...

Snake venom's poison is actually: a) A collection of digestive enzymes b) Repertory toxins c) Paralysis toxins and red blood cell poisons d) All of the above e) None of the above correct answers a) A collection of digestive enzymes. Pepsin requires ____________ to become active. a) Low pH ...

b correct answers Which of the following is TRUE if a holoenzyme but not an apoenzyme? A) is catalytically inactive B) contains a cofactor C) contains a denatured active site D) contains more than one active site d correct answers Which of the following statements is TRUE of carbonic anhyd...

Which amino acid is not chiral? a. Proline b. Glycine c. Tryptophan d. Histidine e. Isoleucine correct answers b. Glycine Do nucleic acids have a charge at the physiological pH? a. Nucleic acids are positively charged due to phosphate groups in a back bone b. Nucleic acids are not charged ...

enzyme concentration correct answers the more enzyme present, the faster substrate reacts pH correct answers enzymes have optimum pHs above and below which the rate decreases Pepsin is correct answers a proteolytic enzyme found in the Stomach Chymotrypsin is a correct answers proteolytic en...

Glucose correct answers _____ is the principle carbohydrate in living systems. Mitochondria correct answers Fatty acid synthesis primarily takes place in the cellular location _____. Pyruvate correct answers The product of aerobic glycolysis is _____. Mitochondria correct answers _____ is w...

Typical Van der Waals energies are about: correct answers 2-4 kJ/mol A possible drug to treat COVID-19 has been discovered and is known to be a weak acid. At the pH of blood (7.4) the concentrations of acid and conjugate base are 0.075 and 0.025 respectively. What is its pKa? correct answers 3.00...

The starting materials necessary to synthesize sphingosine are: correct answers palmitoyl CoA and serine Which of the following is(are) major component(s) of low-density lipoproteins? correct answers A) phospholipid B) apoprotein B-100 C) cholesteryl ester D) All of the above <<<<&...

what are carbohydrates correct answers Carbon, Hydrogen, Oxygen, , supplies energy for the cell, forms plant structures, and short term energy storage, Sugars (fruits/vegetables) and starches (potato, pasta, bread) Carbohydrates produce energy classification of carbohydrates correct answers monos...

The Structure of Amino Acids correct answers Amino group, carboxyl group, and R group attached to alpha carbon What is the carbon attached to the amino group, carboxyl group, and R group? correct answers Alpha carbon What are the carbons after the alpha carbon? (in the correct order away from ...

Hydrophobic interactions make important energetic contributions to : a. binding of a hormone to its receptor protein b. enzyme-substrate interactions c. membrane structure d. three-dimensional folding of a polypeptide chain e. all of the above are true f. None of them correct answers E Whic...

nutirent correct answers source of fuel from food in the form of chemical compounds Kilocalorie (Calorie) correct answers the measurement of energy in foods Metabolism correct answers the numerous reactions that occur within the cell. the calories in food are converted to energy in the cells o...