seqA is part of a negative regulatory circuit that prevents origins from being remethylated.

TLS Online TPP Program

#Id: 4008

#Unit 7. System Physiology – Animal

SA node has an unstable resting membrane potential. The “resting membrane potential” of the sinus nodal fiber between discharges has a negativity of about −55 to −60 millivolts.

TLS Online TPP Program

#Id: 2814

#Unit 13. Methods in Biology

Proteins differ in the amount of hydrophobic amino acids that are present on their surface. This difference can be exploited in salt fractionation but can also be used in a higher resolution method using hydrophobic interaction chromatography (HIC).

TLS Online TPP Program

#Id: 10126

#Unit 6. System Physiology – Plant

Auxin always exits cells as IAA- anions via auxin anion efflux carriers that are concentrated at the basal ends of each cell in the longitudinal pathway.

TLS Online TPP Program

#Id: 9588

#Unit 11. Evolution and Behavior

Quaternary- Extinctions of large mammals, and birds; evolution of Homo sapiens, spread out of Africa

TLS Online TPP Program

#Id: 4870

#Unit 13. Methods in Biology

To measure the level of statistical significance of the result, the investigator first needs to calculate the p-value. It defines the probability of identifying an effect which provides that the null hypothesis is true.