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TLS Online TPP Program

#Question id: 410

For the reaction A -> B, the Keq' is 10^4.  If a reaction mixture originally contains 1 mmol of A and no B, which one of the following must be true?

#SCPH05 I Biotechnology

  1. At equilibrium, there will be far more B than A.

  2. The rate of the reaction is very slow.

  3. The reaction requires coupling to an exergonic reaction in order to proceed.

  4. The reaction will proceed toward B at a very high rate.

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TLS Online TPP Program

#Question id: 4822

#SCPH12 I Genetics

In a particular species of mammal black hair (B) is dominant to green hair (b) and red eyes (R) are dominant to white eyes (r). If a BbRr individual is mated with a bbrrindividual the expected phenotypic ratio of the offspring is 1 black-red : 1 black-white: 1 green-red : 1 green-white. However, when you mate these individuals you find that the phenotypic ratio of the offspring is 6 black-red :1 black-white : 1 green-red : 6 green-white. What could account for this difference?
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#Question id: 5752

#SCPH06 I Botany

base change that changes a codon for an amino acid to a stop codon
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#Question id: 1114

#SCPH28 | Zoology

Sutherland discovered that the signaling molecule epinephrine is responsible for which of the following events?
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#Question id: 564

#SCPH28 | Zoology

A good transition-state analog:
TLS Online TPP Program

#Question id: 11543

#SCPH28 | Zoology

Hormone X activates the cAMP second messenger system in its target cells. The greatest response by a target cell would come from ________.