TLS Online TPP Program

#Question id: 14143


The higher is the score in the alignment _________

#SCPH05 I Biotechnology
  1. The more significant is the alignment
  2. The less it resembles alignments in related proteins
  3. The less significant is the alignment
  4. The less it aligns with the related protein sequence
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TLS Online TPP Program

#Question id: 16139

#SCPH06 I Botany

 Many mouse genes are “tissue-specific,” that is, they are present throughout the body but are expressed in only one of the animal’s many tissue types. (Other mouse genes are expressed throughout the body, or in multiple tissues.) Geneticists can study the regulation of a mouse gene by fusing the gene’s promoter region to the LacZ coding sequence and injecting the construct to create a transgenic mouse. Fusion of the mouse amylase promoter to LacZ yielded a Pamylase-LacZ construct.              
Mice heterozygous for the resulting Pamylase-LacZ  transgene displayed the LacZ expression exclusively in the pancreas. Would you expect homozygotes for the transgene to also display LacZ expression in the pancreas?.

TLS Online TPP Program

#Question id: 5130

#SCPH01 Biochemistry

Regulation by gradients of paracrine factor concentration was elegantly demonstrated by the specification of different mesodermal cell types in the frog Xenopus laevis by activin, a paracrine factor of the TGF-beta family. Which of the following observations are correct from this graph?


TLS Online TPP Program

#Question id: 4153

#SCPH06 I Botany

Ubiquitin-mediated protein degradation is a complex process, and many of the signals remain unknown.  One known signal involves recognition of amino acids in a processed protein that are either stabilizing (Ala, Gly, Met, Ser, etc.) or destabilizing (Arg, Asp, Leu, Lys, Phe, etc.), and are located at:

TLS Online TPP Program

#Question id: 4721

#SCPH12 I Genetics

PKU, results from a recessive allele; persons homozygous for this allele, if untreated, exhibit mental retardation, blue eyes, and light skin color. This character categorized as

TLS Online TPP Program

#Question id: 19755

#SCPH05 I Biotechnology

According to valence-bond theory which magnetic property oxygen possess ?