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TLS Online TPP Program

#Question id: 123

Which would you expect for the fatty acyl chains of the membrane phospholipids of bacteria grown at low temperature?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Proportion of unsaturated fatty acyl groups increases.

  2. Proportion of unsaturated fatty acyl groups decreases.

  3. No change in the proportion of saturated versus unsaturated acyl groups.

  4. More cholesterol is produced and is inserted between the fatty acyl chains of the membrane.

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TLS Online TPP Program

#Question id: 4800

#Unit 8. Inheritance Biology

You set up a mapping cross involving two genes of interest in Saccharomyces and determine the following tetrad types: 8 nonparentalditype; 12 tetratype; 80 parental ditype. Calculate the most accurate map distance between these two genes.
TLS Online TPP Program

#Question id: 18581

#Unit 7. System Physiology – Animal

 Practicing stress relaxation techniques can ______.
TLS Online TPP Program

#Question id: 14145

#Unit 6. System Physiology – Plant

Which of the following spot is inhibted by Antimycin A
TLS Online TPP Program

#Question id: 4930

#Unit 11. Evolution and Behavior

Which of the following is the correct sequence of events in the origin of life?

I. Formation of protocells

II. Synthesis of organic monomers

III. Synthesis of organic polymers

IV. Formation of DNA-based genetic systems
TLS Online TPP Program

#Question id: 28579

#Unit 5. Developmental Biology

Which of the following growth factor causes proliferation of the Sertoli cell precursors and stimulates their differentiation?