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TLS Online TPP Program

#Question id: 11707

A human who has no access to fresh water but is forced to drink seawater instead will ________.

#SCPH28 | Zoology
  1. produce excessive antidiuretic hormone to remove more water but hold back salts

  2. passively excrete excess water in order to remove the high concentration of ingested salt

  3. release atrial natriuretic peptide to decrease blood pressure
  4. risk becoming overhydrated within twelve hours
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TLS Online TPP Program

#Question id: 16135

#SCPH06 I Botany

You obtain 6 BACs (of known order, as shown below) and 7 STSs (of unknown order) that derive from a region of mouse chromosome 16 whose genomic sequence has not yet been finished.   
 
By PCR (using 20-bp primers at either end of each STS), you test each of the 6 BACs for the presence (+) or absence (-) of each of the 7 STSs. You obtain the following results:
 
Would you expect the DNA sequence of PCR product obtained at STS5 using mouse genomic DNA as template to more closely resemble that obtained using BAC B, BAC D, or BAC F? Briefly explain your answer.
TLS Online TPP Program

#Question id: 14736

#SCPH05 I Biotechnology

In basal structure of flagella of gram positive bacteria?
1. L
2. P
3. S
4. M
Which combination is not found in above bacteria? Choose the option with both incorrect rings.
TLS Online TPP Program

#Question id: 11672

#SCPH28 | Zoology

The loop of Henle dips into the renal cortex. This is an important feature of osmoregulation in terrestrial vertebrates because ________
TLS Online TPP Program

#Question id: 10394

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

The interconversion of phytochrome Pr to Pfr form proposed by
TLS Online TPP Program

#Question id: 6997

#SCPH28 | Zoology

Hans Spemann and colleagues developed the concept of the "organizer" in amphibian embryos while studying the ________.