Bio Stoich

A. ATP is the ultimate source of energy of biological systems.

B. A yeast cell is an open system.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. ATP mediates the energy coupling of catabolic and exergonic reactions.

B. Photosynthesis has a negative Gibbs free energy change.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. Lactose (deltaHcomb=5,652kJ/mol) can produce up to 75 ATPs.

B. Anabolism comprises of biosynthesis, transport, and motility.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. Enzyme-aided oxidations are spontaneous cellular processes.

B. Catabolism promotes hydrolysis of ATP.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. Cellular respiration involves both aerobic and anaerobic processes.

B. Anabolism is the process of breaking down molecules to release energy.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. Intermittent addition of glucose at constant aeration employs Pasteur effect.

B. Decreasing cassava starch fed in fermentation employs Crabtree effect.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. An anaerobic microbe producing amylase will at once produce ethanol if fed with starch, in the start.

B. An aerobic microbe producing amylase will ferment to produce ethanol if fed with starch, in the long run.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. Glyceraldehyde-3-phosphate (GA3P) is found in all glycolysis, except ED.

B. Both PP and ED pathways can process pentoses.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. ED pathway produce less than half net ATP as EMP glycolysis.

B. Both PP and PK pathways have anabolic roles.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE

A. From glycolysis until TCA cycle, 6 CO2 are released per mole glucose.

B. In ETC, substrate level phosphorylation happens.

• A is TRUE

• B is TRUE

• A & B are TRUE

• A & B are FALSE