Biochemistry
The conversation of glucose 6-phosphate to glucose takes place in which organelle?
a. cytoplasm
b. endoplasmic reticulum
c. mitochondria
d. all of the above
e. none of the above
Which of the following describes an enzyme that can catalyze an oxidation reaction
a. dehydrogenase
b. isomerase
c. mutase
d. all of the above
e. none of the above
Pyruvate is decarboxylated at the active site of which unit of the PDH complex
a. E1
b. E2
c. E3
d. E4
e. E5
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Biochemistry The conversation of glucose 6-phosphate to glucose takes place in which organelle? a. cytoplasm b....
Pyruvate is decarboxylated by which subunit of the PDH complex? Group of answer choices E1 E2 E3 E4 E5
AMP ... A. Activates glucose 6-phosphate dehydrogenase B. Activates glycogen synthase C. Is a product of adenylate cyclase D. Activates fructose-1,6-bisphosphatase E. Is made by hydrolyzing two phosphates from ATP In E2 of the pyruvate dehydrogenase complex ... A. Thiamine pyrophosphate is covalently bound B. FADH2 is bound to this subunit C. Lipoamide is covalently attached D. A, B and C above E. None of the above
QUESTION 1 Imagine you want to get rich by genetically engineering tobacco plants to produce acai berry juice. To do so, you insert the genes for each of the enzymes in the hypothetical acai synthesis pathway, the first step of which is (hypothetically) conversion of glucose to fructose. The challenge is that glucose must be maintained at or above a minimum concentration or the plant will die because it can no longer make ATP. For the reaction pathway shown below,...
64. Which organelle has its own genetic information? a. endoplasmic reticulum b. ribosome c. mitochondrion d. golgi apparatus e. lysosome 65. Which organelle is a series of interconnected membranous canals or channels that run throughout the cytoplasm of the cell? a. golgi apparatus b. peroxisome c. mitochondrion d. endoplasmic reticulum 66. Which organelle is a composed of a double membrane structure with the inner membrane folded to form cristae? a. Lysosome b. endoplasmic reticulum c. mitochondrion d. ribosome 67. How...
the following questions Fructose-1.6- Fructose-6 ADP phosphate phosphate ATP ADP diphosphate Glucose-6 F ATP Glucose-→ Glucose-p)→ Fructose-P P-Fructose-(P FIGURE 5.7 glyceraldyde 3-phosphate P) ADP H-C-OH H20-P 1,3 diphospho- glycerate CH20-P 3 phospho glycerate phosphoenol pyruvate 15) Which step in Figure 5.7 shows a split of one molecule into two smaller molecules? 15) 4) 2 B) 4 )6 Dy H E) 5 16) Which step in Figure 5.7 shows a reaction involving a dehydrogenase? D) 8 A) 2 C) 6 E)5...
48. In all cells, glucose catabolism begins with a glycolysis. b. fermentation c. pyruvate oxidation. d. the citric acid cycle. e. chemiosmosis Questions 49-51 apply to the diagram below 49. The diagram above most likely represent metabolic processes occurring in the a Endoplasmic reticulum b. Mitochondria c. Chloroplast d Golgi apparatus e Lysosome 50. Under aerobic conditions "X" is most likely the molecule: a. Hydrogen peroxide b. Superoxide dismutase c. Oxygen d. Carbon dioxide c. Nitrate 51. The structure indicated...
Le past years Question 42 O pts Extra Credit. Which of the following explains why low-fat diets are not necessarily the best for all humans? Individual humans have varying metabolisms and set points" When we eat less that - 20% of our calories from fat, we make fat from carbohydrates anyway We synthesize most of the cholesterol we use in our bodies regardless of diet Promoting low or no-fat diets in the past has caused many humans to over-consulte carbohydrates,...
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Which precursors can be used to make glucose in gluconeogenesis? amino acids, pyruvate, lactic acid, and fatty acids b. amino acids, pyruvate, and fatty acids amino acids, pyruvate, lactic acid, and glycerol d. pyruvate, lactic acid, glycerol, and fatty acids & a. C. is the biosynthetic pathway that assembles glucose into branch chains of 9. glycogen Glycolysis b. Gluconeogenesis Glycogenolysis d. Glycogenesis a. c. 10. Which hormone favors anabolic metabolic pathways? a. insulin b. glucagon c. cortisol d. epinephrine 11....
What of the following is NOT included as one of the major components of the plasma membrane as described via the “Fluid Mosaic Model” Lipids/fatty acids c. Peripheral proteins Nucleic acids d. Integral proteins Which of the following statement is true regarding biological life & cell theory? All organisms are made of cells c. All cells come from mitosis All cells possess a nucleus d. All cells come from meiosis What is the most important cellular organelle for cellular respiration...