Sigma factor contacts the promoter directly at both the -35 and -10 consensus sequences was provided by substitutions in the sigma factor that suppressed mutations in the consensus sequences.

TLS Online TPP Program

#Id: 5190

#Unit 7. System Physiology – Animal

Active factor XII then activates  factor XI, & active factor XI activates factor IX.

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#Id: 6329

#Unit 8. Inheritance Biology

XX-XY SEX DETERMINATION

TLS Online TPP Program

#Id: 4738

#Unit 5. Developmental Biology

The anterior-posterior axis is determined before the first cell division, and the cleavage furrow is located asymmetrically along this axis of the egg, closer to what will be the posterior pole.

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#Id: 5574

#Unit 7. System Physiology – Animal

There are four isoforms of the transport protein:  UT-A in the kidneys (UT-A1 to UT-A4) UT-B in the erythrocytes & descending limbs of the vasa recta 

TLS Online TPP Program

#Id: 890

#Unit 13. Methods in Biology

Frequency of recognition site depends on A/T::G/C ratio of genome.