TLS Online TPP Program

#Question id: 1068


The best-known examples of viruses that cause latent infections are

#Unit 4. Cell Communication and Cell Signaling
  1. polio

  2. herpes

  3. measles

  4. herpes AND chickenpox.

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TLS Online TPP Program

#Question id: 3404

#Unit 11. Evolution and Behavior

A graph shows the frequency distribution of the character (body size). B graph shows the relation between body size and fitness, within one generation, and the third the expected change in the average for the character over many generations (if body size is inherited). Which of the following correct figure for Average size with respect to time?

TLS Online TPP Program

#Question id: 533

#Unit 1. Molecules and their Interaction Relevant to Biology

Glucose, labeled with 14C in different carbon atoms, is added to a crude extract of a tissue rich in the enzymes of the pentose phosphate pathway.  The most rapid production of 14CO2 will occur when the glucose is labeled in:

TLS Online TPP Program

#Question id: 28056

#Unit 1. Molecules and their Interaction Relevant to Biology

The fact that the core of most globular proteins is composed of non-polar residues is because of

TLS Online TPP Program

#Question id: 6979

#Unit 5. Developmental Biology

The muscle-forming cells of the vertebrate limb come from:

TLS Online TPP Program

#Question id: 16138

#Unit 13. Methods in Biology

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 STS51 and STS52 to be present in BAC D?