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TLS Online TPP Program

#Question id: 4135

In the “activation” of an amino acid for protein synthesis:

#SCPH05 I Biotechnology

  1. leucine can be attached to tRNAPhe, by the aminoacyl-tRNA synthetase specific for leucine.

  2. methionine is first formylated, then attached to a specific tRNA.

  3. the amino acid is attached to the 5' end of the tRNA through a phosphodiester bond.

  4. there is at least one specific activating enzyme and one specific tRNA for each amino acid.

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TLS Online TPP Program

#Question id: 19448

#SCPH01 Biochemistry

Which of the following incident lights will give better resolution of a specimen?
TLS Online TPP Program

#Question id: 5574

#SCPH01 Biochemistry

In close comparisons, external fertilization often yields more offspring than does internal fertilization. However, internal fertilization typically offers the advantage that ________.
TLS Online TPP Program

#Question id: 5528

#SCPH28 | Zoology

The lining of the uterus in which the mammalian embryo implantationsTakes place called as
TLS Online TPP Program

#Question id: 1430

#SCPH28 | Zoology

2-hydroxyglutarate is produced in cancer cells:
TLS Online TPP Program

#Question id: 2666

#SCPH06 I Botany

A cell does not want to waste energy synthesizing the amino acid arginine if arginine is present in its diet. Therefore, when arginine is present, it activates a repressor protein to prevent transcription of genes that code for enzyme to make arginine. This is an example of what type of regulation?