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#Question id: 309


Predict the correct order among the following________

#I Life Science/ Life Sciences Group – I-V
  1. lone pair- lone pair > lone pair - bond pair > bond pair - bond pair

  2. lone pair - lone pair > bond pair - bond pair > lone pair - bond pair

  3. bond pair - bond pair > lone pair - bond pair > lone pair - lone pair

  4. lone pair - bond pair > bond pair - bond pair > lone pair - lone pair

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TLS Online TPP Program

#Question id: 13101

#SCPH28 | Zoology

You are a scientist who is using genomics to currently study a new bacterial species that no one has ever studied before. The following sequence is a piece of DNA within the coding region of a gene that you have recently sequenced.
 
You are using shotgun sequencing to determine the DNA sequence of the genome of this new bacterial species. For one strand of a 30-nucleotide long stretch of DNA, you get the following sequences out of your shotgun sequencing reaction. Assemble the entire 30-nt-long DNA sequence
 
5’-TGGGAGTTCCTCAAACGCGTTGTCACTGAC-3’
You put the DNA sequence that you have assembled into a computer program that tells you that the following piece of DNA, which comes from another bacterium, is a close match to the sequence you have sequenced from your bacterium: 5’-…TGGGCATTTCTCAAGCGGGTTGTAATGGAT…-3’
This 30-nt-long sequence fragment lies in the center of a gene, and that portion of the sequence encodes for this 10-amino acid-long part of a protein:
N-…Trp-Ala-Phe-Leu-Lys-Arg-Val-Val-Met-Asp…-C
You hypothesize that the sequence you have discovered is another bacterial species’ version of the same gene as this previously known gene. To measure how identical the two genes are at the DNA level and/or the two proteins are at the amino acid level, you can calculate a percentage of “identity” for each. This is the percent of nucleotides (for the gene) or the percent of amino acids (for the protein) that are identical between the two sequences.
What is the % identity between the two protein sequences?

TLS Online TPP Program

#Question id: 4192

#SCPH28 | Zoology

At the end of the initiation step, the ribosome has a vacant

TLS Online TPP Program

#Question id: 5071

#SCPH28 | Zoology

Defect in hedgehog signaling cause, basal cell nevus syndrome, a rare autosomal dominant condition characterized by both developmental anomalies (fused fingers; rib and facial abnormalities) and multiple malignant tumors. This condition created due to mutation in

TLS Online TPP Program

#Question id: 10786

#I Life Science/ Life Sciences Group – I-V

Alkaloids are usually synthesized from one of a few common amino acids such as___

TLS Online TPP Program

#Question id: 9244

#SCPH28 | Zoology

One characteristic that distinguishes a population in an extinction vortex from most other populations is that