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TLS Online TPP Program

#Question id: 522

Yeast will normally convert pyruvate to ethanol. Why is this better for the yeast than a conversion to lactate?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. Conversion to ethanol releases more NAD+ per mole than the conversion to lactate.

  2. The carbon atoms are more oxidized in ethanol than in lactate.

  3. Ethanol is neutral, but lactate production is accompanied by a sharp decrease in pH.

  4. Ethanol production is not better. Yeast normally produces ethanol and lactate in equilmolar amounts.

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TLS Online TPP Program

#Question id: 23908

#General Aptitude

In initial environmental examination, the following are considered:
TLS Online TPP Program

#Question id: 5037

#Unit 5. Developmental Biology

Genes control development by:
TLS Online TPP Program

#Question id: 12173

#Unit 8. Inheritance Biology

Female with only one X chromosome is a characteristics of individual with
TLS Online TPP Program

#Question id: 5219

#Unit 11. Evolution and Behavior

What is it that can be duplicated in a genome?
TLS Online TPP Program

#Question id: 3891

#Unit 3. Fundamental Processes

Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?