TLS Online TPP Program

#Question id: 32926


Which one of the following statement is NOT correct regarding the cell-cycle control switch system?

#Unit 2. Cellular Organization
  1. The switches are generally binary (on/off) and launch events in a complete, reversible fashion.
  2. The system is robust and reliable, allowing the system to operate effectively under a variety of conditions and even if some components fail.
  3. The control system is highly adaptable. 
  4. The control system can be modified to suit specific cell types or to respond to specific intracellular or extracellular signals.
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TLS Online TPP Program

#Question id: 922

#Unit 1. Molecules and their Interaction Relevant to Biology

Which compound is an intermediate of the  oxidation of fatty acids?

TLS Online TPP Program

#Question id: 923

#Unit 1. Molecules and their Interaction Relevant to Biology

 The conversion of palmitoyl-CoA (16:0) to myristoyl-CoA (14:0) and 1 mol of acetyl-CoA by the B-oxidation pathway results in the net formation of:

TLS Online TPP Program

#Question id: 924

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is not true regarding the oxidation of 1 mol of palmitate (16:0) by the B-oxidation pathway?

TLS Online TPP Program

#Question id: 925

#Unit 1. Molecules and their Interaction Relevant to Biology

If an aerobic organism (e.g., the bacterium E. coli) were fed each of the following four compounds as a source of energy, the energy yield per mole from these molecules would be in the order:

TLS Online TPP Program

#Question id: 926

#Unit 1. Molecules and their Interaction Relevant to Biology

The carbon atoms from a fatty acid with an odd number of carbons will enter the citric acid cycle as acetyl-CoA and:

TLS Online TPP Program

#Question id: 927

#Unit 1. Molecules and their Interaction Relevant to Biology

In the disease sprue, vitamin B12 (cobalamin) is poorly absorbed in the intestine, resulting in B12 deficiency. If each of the following fatty acids were in the diet, for which one would the process of fatty acid oxidation be most affected in a patient with sprue?