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TLS Online TPP Program

#Question id: 4129

Which of the following statements about the tRNA that normally accepts phenylalanine is false?  (mRNA codons for phenylalanine are UUU and UUC.)

#3. Fundamental Processes

  1. It interacts specificially with the Phe synthetase.

  2. It will accept only the amino acid phenylalanine.

  3. Its molecular weight is about 25,000.

  4. The tRNA must contain the sequence UUU.

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TLS Online TPP Program

#Question id: 14475

#13. Methods in Biology

Probability of getting tail in a throw of a coin is
TLS Online TPP Program

#Question id: 19874

#13. Methods in Biology

Adding homopolymer tails to the 3’ end of DNA by an enzyme such as
TLS Online TPP Program

#Question id: 374

#1. Molecules and their Interaction Relevant to Biology

The pH of a sample of blood is 7.4, while gastric juice is pH 1.4.  The blood sample has:
TLS Online TPP Program

#Question id: 8851

#9. Diversity of Life Forms

Why is territoriality an adaptive behavior for songbirds maintaining populations at or near their carrying capacity?
TLS Online TPP Program

#Question id: 658

#1. Molecules and their Interaction Relevant to Biology

To what level of structure do α-helices belong?